From patchwork Thu Jan 4 15:02:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13511217 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C0983224CC; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="RU9Eafr0" Received: by smtp.kernel.org (Postfix) with ESMTPS id 35337C4339A; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1704380565; bh=XVTVEnd60wx8H+Ad0dNvb1xxvZOqQb2Tr7BI7+t30u4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=RU9Eafr0Kqo4RKrCww3sae4Td1aTahO5kudHxXLg5AVhmZn2r4qaq8jW0K8XWl0XX dqeFgpX/DwSDD1xamPf/GrArJHyQ2savtiVC3HjTjkmBfjhzif8KyW1NSInQADlHe+ bQDH2XJYX7vEt78RkYxNdVfWl+6ht9Ko7s7i7XUPJFhI0yae9IMOEWAauTuKqiP23Q AB73Gh/umvc/wzPDs1PV9KGubwiTOWaIXokrtellmLi9/VdgKA7TxX57QqczXIciEU 7rP3cjnxXh71mDJs4/IJlnBUGiSwnNmApjMcfBMtSPBARywctC6qpSBmkiT0Wz79us p7A2amKaP6gTg== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 15455C47079; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) From: Joel Granados via B4 Relay Date: Thu, 04 Jan 2024 16:02:22 +0100 Subject: [PATCH v2 01/10] kernel misc: Remove the now superfluous sentinel elements from ctl_table array Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-1-836cc04e00ec@samsung.com> References: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> In-Reply-To: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> To: Luis Chamberlain , willy@infradead.org, josh@joshtriplett.org, Kees Cook , Eric Biederman , Iurii Zaikin , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Thomas Gleixner , John Stultz , Stephen Boyd , Andy Lutomirski , Will Drewry , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Petr Mladek , John Ogness , Sergey Senozhatsky , "Naveen N. Rao" , Anil S Keshavamurthy , "David S. Miller" , Balbir Singh , Alexei Starovoitov , Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa Cc: linux-kernel@vger.kernel.org, kexec@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org, Joel Granados X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=6860; i=j.granados@samsung.com; h=from:subject:message-id; bh=9y/8jqGpr0uVWev1c4hW4nQ9TJl7X4avnCKgEoLCTzQ=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBllsiPRM7mB48cdaH4nQnPyF9iy9pYW9CxOJKm3 kDa/TOC0gaJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZZbIjwAKCRC6l81St5ZB TzPoC/9VT5bMn3OhVKB8HDRtqdmyLuiComykbikhloBWiRHKUY9vDUs0WKa9tF2gmiuc30kq3th d6ZBi1vEpe2thmpoImmvAY6jT127nZoZprHHeo8eF9UNmw5WtvR8qd4UOl+dC92cYYhoZSUlnHW yYIefLBb+XCU9J3nmMGJ/NGJcHbCVrfghgZrQ6j3B0V/5IHw87pWFti8UHg2c/SHWPvO4O+hIef 7OzrR7QZ/qrBfw54tHZ2Zr0K9KE92MmYJxsy0RQ/IjcDz/gky8Uv8bzokamzoEC85rm/cNiIMLm 5VJvXhFRir30/jXn7FAX7IP9L4m3JMYXvVCUAKOhjLnVnFeadVl/mGMzl/iSCJWCSFN2y6Oy1qN TccAkTlbsyTxB1eHhAaKvg9P6T0yxkubpGcITfDt5f9rjzqLP+Q1epc3J1w+kaunhXkB0C1muYC sTpNeugjzzp9UwY7j4zqdVSRz9bZ3YAnY/LKvlIDhaZxNhBS9W54rOKNmV/Amio0DJeKg= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados Reply-To: From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove the sentinel from ctl_table arrays. Reduce by one the values used to compare the size of the adjusted arrays. Signed-off-by: Joel Granados --- kernel/acct.c | 1 - kernel/exit.c | 1 - kernel/hung_task.c | 1 - kernel/kexec_core.c | 1 - kernel/latencytop.c | 1 - kernel/panic.c | 1 - kernel/pid_namespace.c | 1 - kernel/pid_sysctl.h | 1 - kernel/reboot.c | 1 - kernel/signal.c | 1 - kernel/stackleak.c | 1 - kernel/sysctl.c | 2 -- kernel/ucount.c | 3 +-- kernel/utsname_sysctl.c | 1 - kernel/watchdog.c | 2 -- 15 files changed, 1 insertion(+), 18 deletions(-) diff --git a/kernel/acct.c b/kernel/acct.c index 986c8214dabf..179848ad33e9 100644 --- a/kernel/acct.c +++ b/kernel/acct.c @@ -84,7 +84,6 @@ static struct ctl_table kern_acct_table[] = { .mode = 0644, .proc_handler = proc_dointvec, }, - { } }; static __init int kernel_acct_sysctls_init(void) diff --git a/kernel/exit.c b/kernel/exit.c index aedc0832c9f4..6a6ea468a0c6 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -92,7 +92,6 @@ static struct ctl_table kern_exit_table[] = { .mode = 0644, .proc_handler = proc_douintvec, }, - { } }; static __init int kernel_exit_sysctls_init(void) diff --git a/kernel/hung_task.c b/kernel/hung_task.c index 9a24574988d2..a81cb511d954 100644 --- a/kernel/hung_task.c +++ b/kernel/hung_task.c @@ -313,7 +313,6 @@ static struct ctl_table hung_task_sysctls[] = { .proc_handler = proc_dointvec_minmax, .extra1 = SYSCTL_NEG_ONE, }, - {} }; static void __init hung_task_sysctl_init(void) diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c index be5642a4ec49..b862285b97dc 100644 --- a/kernel/kexec_core.c +++ b/kernel/kexec_core.c @@ -988,7 +988,6 @@ static struct ctl_table kexec_core_sysctls[] = { .mode = 0644, .proc_handler = kexec_limit_handler, }, - { } }; static int __init kexec_core_sysctl_init(void) diff --git a/kernel/latencytop.c b/kernel/latencytop.c index 781249098cb6..84c53285f499 100644 --- a/kernel/latencytop.c +++ b/kernel/latencytop.c @@ -85,7 +85,6 @@ static struct ctl_table latencytop_sysctl[] = { .mode = 0644, .proc_handler = sysctl_latencytop, }, - {} }; #endif diff --git a/kernel/panic.c b/kernel/panic.c index 2807639aab51..01a82cdfd81a 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -99,7 +99,6 @@ static struct ctl_table kern_panic_table[] = { .mode = 0644, .proc_handler = proc_douintvec, }, - { } }; static __init int kernel_panic_sysctls_init(void) diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c index 3028b2218aa4..ca4fbba09d38 100644 --- a/kernel/pid_namespace.c +++ b/kernel/pid_namespace.c @@ -306,7 +306,6 @@ static struct ctl_table pid_ns_ctl_table[] = { .extra1 = SYSCTL_ZERO, .extra2 = &pid_max, }, - { } }; #endif /* CONFIG_CHECKPOINT_RESTORE */ diff --git a/kernel/pid_sysctl.h b/kernel/pid_sysctl.h index 2ee41a3a1dfd..fe9fb991dc42 100644 --- a/kernel/pid_sysctl.h +++ b/kernel/pid_sysctl.h @@ -41,7 +41,6 @@ static struct ctl_table pid_ns_ctl_table_vm[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_TWO, }, - { } }; static inline void register_pid_ns_sysctl_table_vm(void) { diff --git a/kernel/reboot.c b/kernel/reboot.c index 395a0ea3c7a8..1c3b2dfc42a9 100644 --- a/kernel/reboot.c +++ b/kernel/reboot.c @@ -1276,7 +1276,6 @@ static struct ctl_table kern_reboot_table[] = { .mode = 0644, .proc_handler = proc_dointvec, }, - { } }; static void __init kernel_reboot_sysctls_init(void) diff --git a/kernel/signal.c b/kernel/signal.c index 47a7602dfe8d..737b0e630ed7 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -4812,7 +4812,6 @@ static struct ctl_table signal_debug_table[] = { .proc_handler = proc_dointvec }, #endif - { } }; static int __init init_signal_sysctls(void) diff --git a/kernel/stackleak.c b/kernel/stackleak.c index 34c9d81eea94..d099f3affcf1 100644 --- a/kernel/stackleak.c +++ b/kernel/stackleak.c @@ -54,7 +54,6 @@ static struct ctl_table stackleak_sysctls[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, }, - {} }; static int __init stackleak_sysctls_init(void) diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 157f7ce2942d..ad61cf11922c 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -2034,7 +2034,6 @@ static struct ctl_table kern_table[] = { .extra2 = SYSCTL_INT_MAX, }, #endif - { } }; static struct ctl_table vm_table[] = { @@ -2240,7 +2239,6 @@ static struct ctl_table vm_table[] = { .extra2 = (void *)&mmap_rnd_compat_bits_max, }, #endif - { } }; int __init sysctl_init_bases(void) diff --git a/kernel/ucount.c b/kernel/ucount.c index 4aa6166cb856..e196da0204dc 100644 --- a/kernel/ucount.c +++ b/kernel/ucount.c @@ -87,7 +87,6 @@ static struct ctl_table user_table[] = { UCOUNT_ENTRY("max_fanotify_groups"), UCOUNT_ENTRY("max_fanotify_marks"), #endif - { } }; #endif /* CONFIG_SYSCTL */ @@ -96,7 +95,7 @@ bool setup_userns_sysctls(struct user_namespace *ns) #ifdef CONFIG_SYSCTL struct ctl_table *tbl; - BUILD_BUG_ON(ARRAY_SIZE(user_table) != UCOUNT_COUNTS + 1); + BUILD_BUG_ON(ARRAY_SIZE(user_table) != UCOUNT_COUNTS); setup_sysctl_set(&ns->set, &set_root, set_is_seen); tbl = kmemdup(user_table, sizeof(user_table), GFP_KERNEL); if (tbl) { diff --git a/kernel/utsname_sysctl.c b/kernel/utsname_sysctl.c index 019e3a1566cf..76a772072557 100644 --- a/kernel/utsname_sysctl.c +++ b/kernel/utsname_sysctl.c @@ -120,7 +120,6 @@ static struct ctl_table uts_kern_table[] = { .proc_handler = proc_do_uts_string, .poll = &domainname_poll, }, - {} }; #ifdef CONFIG_PROC_SYSCTL diff --git a/kernel/watchdog.c b/kernel/watchdog.c index 5cd6d4e26915..0f546d17c544 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -924,7 +924,6 @@ static struct ctl_table watchdog_sysctls[] = { }, #endif /* CONFIG_SMP */ #endif - {} }; static struct ctl_table watchdog_hardlockup_sysctl[] = { @@ -937,7 +936,6 @@ static struct ctl_table watchdog_hardlockup_sysctl[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, }, - {} }; static void __init watchdog_sysctl_init(void) From patchwork Thu Jan 4 15:02:23 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13511222 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E4A83241E0; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="oaoRz5Gi" Received: by smtp.kernel.org (Postfix) with ESMTPS id 4FAC2C433CD; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1704380565; bh=F68T4yfrZvNl4UBjQrVTXao7+5rzaoz2/YnsMWP1cC4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=oaoRz5GiNYa5bYC4deGDtkgORzDYuZk8/+xSsgC6uEEfqrRQEWxuSvzNbIcJgYNRO 5II7A22TwTEu+xw/JvB60IDbpOlcgCm+51YdXBjS+7yap+fL8vmrqHDoPoTQ9eL+Ub XsD3ZNfOKZ0lixbMFXbPmwsx4igi8pVq+Rq8RcaFj75cUuRq+TT6io5hp3BHM59JKr bHIWs9f+tMw1nkDnXMdUSWmmiyce9skuPzQpN0s6eeFNidA9eKXPffWB8YmQJrXs4j N5p64LY2deHe0yGc+Pfb+vT+rfyEd6i+bKGrut2S7u6K+5TFNvFuWmipiW7jkQzm9D n2G1MCUhPBCgA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2B09DC47074; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) From: Joel Granados via B4 Relay Date: Thu, 04 Jan 2024 16:02:23 +0100 Subject: [PATCH v2 02/10] umh: Remove the now superfluous sentinel elements from ctl_table array Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-2-836cc04e00ec@samsung.com> References: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> In-Reply-To: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> To: Luis Chamberlain , willy@infradead.org, josh@joshtriplett.org, Kees Cook , Eric Biederman , Iurii Zaikin , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Thomas Gleixner , John Stultz , Stephen Boyd , Andy Lutomirski , Will Drewry , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Petr Mladek , John Ogness , Sergey Senozhatsky , "Naveen N. Rao" , Anil S Keshavamurthy , "David S. Miller" , Balbir Singh , Alexei Starovoitov , Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa Cc: linux-kernel@vger.kernel.org, kexec@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org, Joel Granados X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=848; i=j.granados@samsung.com; h=from:subject:message-id; bh=BUKRurk0Zl4Mt0SVqAIUyLoFVcmRKbH7eHtjelFkSI0=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBllsiQynlD07SyzoCEvZyaTpPLTS0Jzw1bQSZvP 5UavKIH+mqJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZZbIkAAKCRC6l81St5ZB TwHOC/9M6CH39Pyho/yoy4pmOkgcdI96sfOfD//REIIsW0L3jlYqDJq0RWkCKG4sW7EWH4CCelA E2F0Fs488M5wUZq/hsDEQMKP43Fidwd0LxD39SwlCSYptvHVU6PPNTD2PBHnyvYJJQ6tS+o22JP Afmj8uAA9+w3OfbQWxNfCifSGLBSPbSwiN9SOIdBz1YcLL4Tt7e86FswNGxtpWhDZM0C5aoElqC ToOri3VRMj8jq4NUSwkbeTDG6RPXTvm2J/J+uqmHHeE8p1kTWUuQPfUpkfF1abJLfFccFNjr4UY d+/QGLugW3Xsy8gjkaFnHGpprRPSDScy+1CDB+yWSYE4I2v874plQu1fiKUEAd2ftBqvo2p0vVk WnMSTJktp0zAWwJXb+OIjGiU4OVnckLAJN8qPdMH8jUPLQoYtAnD9JTkm2wkkZF3rszil97zrbJ NAq+PlfYIT6xntDB3fA6kfeFaYLpTopQTpPF4FaA0vSaYvBmCMwXqfQKNnnUbs99dlGAs= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados Reply-To: From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove sentinel element from usermodehelper_table Signed-off-by: Joel Granados --- kernel/umh.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/umh.c b/kernel/umh.c index 1b13c5d34624..598b3ffe1522 100644 --- a/kernel/umh.c +++ b/kernel/umh.c @@ -560,7 +560,6 @@ static struct ctl_table usermodehelper_table[] = { .mode = 0600, .proc_handler = proc_cap_handler, }, - { } }; static int __init init_umh_sysctls(void) From patchwork Thu Jan 4 15:02:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13511219 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E49DF2377D; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gklngGQ1" Received: by smtp.kernel.org (Postfix) with ESMTPS id 66FA8C433AB; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1704380565; bh=2ickuhWADD9IxCGKb1fYeXbFIjF9zMg4rP1V5pxGMmA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=gklngGQ1aLNM0gz+K/bgVHMHs2tbn7Gx6WBtO/jezsDdOB0LnPUgN37wF17so7rrH YfLZdwSwCOW1ZNyZttvPsoGQBtT/pxcfsMwGtCuXv5Pzl/4iO/M7pKzz1VTYisLuKH loIbDpj8S+3MiSUWQw87IIzLCXbUAWBs+cDCudq7rWuVWzvR2Qh0xt2E8ONwgCSgNH /UqZtBMSoXCbJqYDjAd2W2RA+GgdU2zSJaiRNGaASZfU4IbGVSNMsz2OKr0UsWg7Tt RvQ/HqWjD97TpEk7JqFVkk1sh0BeC9aibrZgtPew0SrPlKwdEBjWtOTyVnXxxFqZDK 17/2Rt9p1DFTA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 483B7C4707C; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) From: Joel Granados via B4 Relay Date: Thu, 04 Jan 2024 16:02:24 +0100 Subject: [PATCH v2 03/10] ftrace: Remove the now superfluous sentinel elements from ctl_table array Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-3-836cc04e00ec@samsung.com> References: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> In-Reply-To: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> To: Luis Chamberlain , willy@infradead.org, josh@joshtriplett.org, Kees Cook , Eric Biederman , Iurii Zaikin , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Thomas Gleixner , John Stultz , Stephen Boyd , Andy Lutomirski , Will Drewry , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Petr Mladek , John Ogness , Sergey Senozhatsky , "Naveen N. Rao" , Anil S Keshavamurthy , "David S. Miller" , Balbir Singh , Alexei Starovoitov , Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa Cc: linux-kernel@vger.kernel.org, kexec@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org, Joel Granados X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=1508; i=j.granados@samsung.com; h=from:subject:message-id; bh=I9hNdzlwwvGhli848fLvwLS5D8HcBUTWZ1m3n0fKYkE=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBllsiQ+iIfUGpB6FEaBvtcGH6q/CsuMZch60gJQ GICfiR4okWJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZZbIkAAKCRC6l81St5ZB TxGhDACSRjgkbQ3wyuVeDzSykMrr5lCOo9YiD3YURRMPSxtcjn2ZwMGtvvb9K01XglDnxom8qpf gkhHSC6F/JUcVQRlFec9ZrsljdYBKC07mRU3OUdovVNtj+X19130gU+RwSZzyGEIebnVoGWTC3u QXIQ8LdsMdFcPySwC1GF7gr2FfmN26XY8D66vwgagg0sdathOv1qvd0X0+rkEZil+FEii16d9h0 Rn50vRm5eZKB7m6Ujtn+lqnIMCFGjEV4+cNDr0qjos40HXX0j2na5VJMeA7lNnZYOsGxEGc0+jb WtcsNHjV+Kezh3JdK+buz/bfvW0VEZZF+9rrrZhmNKJ/3RB6rEFab08nh0NNeOxMqbFxnFgzz4B eMc7OZoq/3a4GnDYtZvmosVz5RjQSfkIEMUyob4C5jqeq+kRdlpa0TkwGj0DXmK+hTR9Ka+dc0B 43l0TNu/GDEm1Ptt+VDnmGRclsw4zk+hK5stlbFKJLJYHJG4L5c2PMsnmMfE/VkbbYzx0= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados Reply-To: From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove sentinel elements from ftrace_sysctls and user_event_sysctls Acked-by: "Masami Hiramatsu (Google)" Acked-by: "Steven Rostedt (Google)" Signed-off-by: Joel Granados --- kernel/trace/ftrace.c | 1 - kernel/trace/trace_events_user.c | 1 - 2 files changed, 2 deletions(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 8de8bec5f366..fd40d02a23c7 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -8264,7 +8264,6 @@ static struct ctl_table ftrace_sysctls[] = { .mode = 0644, .proc_handler = ftrace_enable_sysctl, }, - {} }; static int __init ftrace_sysctl_init(void) diff --git a/kernel/trace/trace_events_user.c b/kernel/trace/trace_events_user.c index 9365ce407426..b15a103bb11d 100644 --- a/kernel/trace/trace_events_user.c +++ b/kernel/trace/trace_events_user.c @@ -2746,7 +2746,6 @@ static struct ctl_table user_event_sysctls[] = { .mode = 0644, .proc_handler = set_max_user_events_sysctl, }, - {} }; static int __init trace_events_user_init(void) From patchwork Thu Jan 4 15:02:25 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13511218 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C15A62376C; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LIsXFBB9" Received: by smtp.kernel.org (Postfix) with ESMTPS id 78ED9C433BC; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1704380565; bh=76OiXqny0I5FAtIEkgtQeFpTLfwhsiR4xIiHIe8GjjQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=LIsXFBB97dNIR6T+s1NkUbkQvnDWu7qABrhOgeDu4bURrQDFmDdugT/qe4EalTSXu foMcISTUIzWUV2FsxqWR1/HcpEplm7HfB+jUds0jiUTauTvG5IYtPr118enbkNy//L LFf6v5RD0cdCDG0ufbeqK6gWoIeRVvS6QyOrGCw4R2mCGoy47FNkMz6gYhS/b5Y0+m ot3EoYiVFIL2qudYErJyOEgzNfmRAlUAf56EQItn48xgKhPwmtpZMwfJqoM5DKXJVz IscBJDMf7i7nUO0yXPINQmK3xz6AsF9cQGM42mn9cyRbQcJDA5xeoloOVlLR8npHNG jTTgU6jxW/t6w== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5F230C47073; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) From: Joel Granados via B4 Relay Date: Thu, 04 Jan 2024 16:02:25 +0100 Subject: [PATCH v2 04/10] timekeeping: Remove the now superfluous sentinel elements from ctl_table array Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-4-836cc04e00ec@samsung.com> References: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> In-Reply-To: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> To: Luis Chamberlain , willy@infradead.org, josh@joshtriplett.org, Kees Cook , Eric Biederman , Iurii Zaikin , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Thomas Gleixner , John Stultz , Stephen Boyd , Andy Lutomirski , Will Drewry , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Petr Mladek , John Ogness , Sergey Senozhatsky , "Naveen N. Rao" , Anil S Keshavamurthy , "David S. Miller" , Balbir Singh , Alexei Starovoitov , Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa Cc: linux-kernel@vger.kernel.org, kexec@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org, Joel Granados X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=864; i=j.granados@samsung.com; h=from:subject:message-id; bh=rOgjyk+y2sTTf7UpdfCg7T7N07f0Drf2bm8cuUCjmf0=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBllsiQeefs10L9U9C6E9ObjWbvyDIljOI9DQ+SH mJVo12IrSyJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZZbIkAAKCRC6l81St5ZB T7OtDACWjrpqcR5DbGc48ai3Fu0II5BMzsCkwdkvgpsLPPoXZJd8Skx95KGSKIeQnsNc11MPKkq L1YS1lrX1fMo+5Vs8mHNUwYne2u3EDkcY+jaVW68W6LhkpYNrhlh/9+3S/5Q1T7y7v4o4PQqUHS 4h4ybQ/0wIK3nsbGeZWFsccqSN66LDB/3YFHZraXHOEugCtIz8c4L1GnRaVfg8qKTPaGGmzbPxi jXEE1jiI4BgsFViTAbgHKntquCgG19U5eFsXfIoKre11wGggdq8JT9UidiPajbH6E2FI/JIUQxv 6EfjtOoF8+BTsnLuSPSN2Og7sGF+M5WFX0rRKGautby6LT9Kf2f2x03U4Sdiou6vV7fyVniWVVe Va8vDlewMZo+ksIJl1jrxvBc9dTEJwaNpIh4KLjFAQkQBb2fIW/YkUSXRo6ZuRSgFBEzYVgVM41 pcpVje8m1dgYFE0mTmV5L0MChWeCvmR89eUA8+W82cRb5gFlFO3QmHkXVUPdbPI70btPI= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados Reply-To: From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove sentinel element from time_sysctl Signed-off-by: Joel Granados --- kernel/time/timer.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/time/timer.c b/kernel/time/timer.c index 63a8ce7177dd..475826ad78df 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -260,7 +260,6 @@ static struct ctl_table timer_sysctl[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, }, - {} }; static int __init timer_sysctl_init(void) From patchwork Thu Jan 4 15:02:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13511220 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E4A162377E; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="rJosMr+e" Received: by smtp.kernel.org (Postfix) with ESMTPS id 92CFCC4AF5D; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1704380565; bh=rztlto8eEbJ+Snp+e1X4/9BzW9/7AlNu0SuQr3dKr6Y=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=rJosMr+ehRG/C2guKa2lmEkTDfQWd5W3U8g4xdyzMBtPGAGdQ7oygvRVw4wbnDsZu JNrnyz6Dj4Gu6JGXLwUspUakqNyqgz9W4Ccv12H6B3OKBRctIO+0f78d3X1j1i3lNw WCr2OvgIh036faAKWZ194es1Mutt698yFao/RVeMwiIxmMGbdf952Fh8w6Evj4KPVO lTuJ9dFErNeMw0BNsU2RTSwEJrCwh6XpmUOuTS2ckb1FFr5SRuwceBkM+5dgxuIc3V I0fOOcrPU/9c14wJHoAkkwvdcYpasKSPKgRwvVDBE7rWPyhe/lPWCee6EcPHfT/ytf VQJg3rP96OqHw== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75F24C47079; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) From: Joel Granados via B4 Relay Date: Thu, 04 Jan 2024 16:02:26 +0100 Subject: [PATCH v2 05/10] seccomp: Remove the now superfluous sentinel elements from ctl_table array Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-5-836cc04e00ec@samsung.com> References: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> In-Reply-To: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> To: Luis Chamberlain , willy@infradead.org, josh@joshtriplett.org, Kees Cook , Eric Biederman , Iurii Zaikin , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Thomas Gleixner , John Stultz , Stephen Boyd , Andy Lutomirski , Will Drewry , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Petr Mladek , John Ogness , Sergey Senozhatsky , "Naveen N. Rao" , Anil S Keshavamurthy , "David S. Miller" , Balbir Singh , Alexei Starovoitov , Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa Cc: linux-kernel@vger.kernel.org, kexec@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org, Joel Granados X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=933; i=j.granados@samsung.com; h=from:subject:message-id; bh=z6EeWSeb/wAILeyqvWIX8FMlRbwGB4xwjlfltNsIiys=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBllsiQF0oBNt6LJkb+zVY5GGJCeSKg2G1eOlNY/ U9hMugX/3qJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZZbIkAAKCRC6l81St5ZB T7e6DACU+v+qIRdOgR0Vmu/bybMMTZLCFfSEqP2vKHZSh37Ah76SyGQpohwFYIlyBeOBBnPNVyJ w8p0UWOfIBTtC+RGTtt2n0ijQHCmzEUBwd2OS+8KyEGACtGvfQ/HTz0ohTLF+dkeSuN36ne0Pc/ 5e7X+WCLZT9/SrcD0xsDhmm1eBnRUVHbBwQVfRVipKlX1xm3KrnZmSfeC5RrFvx0C5HJrJeJ/lA /hKTvsd4Lz3IMWylzkkAgqXGSjXjftqgJUEkAHGjptsRIAFAOuOvPq/UN6RctFRocbfHGq4y2is jGLLoDYRoLk43HuSXfJlB2y+a4pRp77W8ZH2uzwJkinqJpEMfHIHKB4zlq/sXgYIpyt0m7FMEK+ diaryq9MeBCXKGs6k1+XLcyj/vWSI1KAYrB2xLVuKd2dsT+dFwovPvTkPayLoVRQusHMPEWXJAg /b49Ubys+BjHCNculOLNQoH4Nm+SfvkyVDsf6IrMme51A2DKU3QkWmvfzwebLsO9PnjAE= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados Reply-To: From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove sentinel element from seccomp_sysctl_table. Acked-by: Kees Cook Signed-off-by: Joel Granados --- kernel/seccomp.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/seccomp.c b/kernel/seccomp.c index 255999ba9190..b727b4351c1b 100644 --- a/kernel/seccomp.c +++ b/kernel/seccomp.c @@ -2445,7 +2445,6 @@ static struct ctl_table seccomp_sysctl_table[] = { .mode = 0644, .proc_handler = seccomp_actions_logged_handler, }, - { } }; static int __init seccomp_sysctl_init(void) From patchwork Thu Jan 4 15:02:27 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13511223 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2D72E2420C; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="R5dFM2GT" Received: by smtp.kernel.org (Postfix) with ESMTPS id A6A70C433CC; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1704380565; bh=DvcxIFzA2XKWMKETjpH2TO0c5m9+WASjBlILvRYUVnU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=R5dFM2GTj0y/e0TfLXbOFis9tsZ8LdQf2psrDfsPoG3V0DKb4X/g0IWVNUcSwDUX6 gaFDoNqkdzd3GYjsponjmJ/d02IbSvnpnzmdvtPwXK37bmkHgSK4LX6ka7APrOJLlj TPXIXaTE1YLT6Vaopl+3aWysNwm8mmBtCyXRnIY0Bb/VrSDGAKc4MbqvfIUkyDcm81 Mmre/vwyV7z1t76I2rbnRJSdMoZEk2fLnAu+ZT//0gb3OPplDUz+2P3IA0lwzGOfEr bQGFEaZ7IQLgn9YpxRadyyVEF3uU+auA5WkMqKsL7h1HYxchQo6r9A2P5AZRrb1tP1 YEB8J2IWNyb7g== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8D9A1C47074; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) From: Joel Granados via B4 Relay Date: Thu, 04 Jan 2024 16:02:27 +0100 Subject: [PATCH v2 06/10] scheduler: Remove the now superfluous sentinel elements from ctl_table array Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-6-836cc04e00ec@samsung.com> References: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> In-Reply-To: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> To: Luis Chamberlain , willy@infradead.org, josh@joshtriplett.org, Kees Cook , Eric Biederman , Iurii Zaikin , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Thomas Gleixner , John Stultz , Stephen Boyd , Andy Lutomirski , Will Drewry , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Petr Mladek , John Ogness , Sergey Senozhatsky , "Naveen N. Rao" , Anil S Keshavamurthy , "David S. Miller" , Balbir Singh , Alexei Starovoitov , Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa Cc: linux-kernel@vger.kernel.org, kexec@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org, Joel Granados X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=3002; i=j.granados@samsung.com; h=from:subject:message-id; bh=Xa7JcmuwlJTq/SA5ehycdcY7bcWSGAbQacdTyMWnUTk=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBllsiQbIczHWbA4zQWXlEme0igfFkoWIsxmXPBc CUCAXAJAquJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZZbIkAAKCRC6l81St5ZB T+sFC/4z8OHS2Jhpxg/muIoqFJFCx92BwSioQWQgxJqUOKKdgfweslcLr/dIkxHa1s1yhWlu79H FrbQZs7tWs4EeLTuz/0ucBuBUEL03XSk1slxTJzlU6Yxf5Wt6SnErVBEGmRMzqDz9HFfqizNRhm rKnkOIsjlFq5NmsVoISr4mL98mhBW3bTKRN/WwjS3esxVfzIjegH928NqKvvo6gyYsL+OLuas/J EK551LdSTfSpr7PdtnCxVUpvyLOJb94MJKLr9DzZhPlVRU3mO0LQLoBmJmyUkTWZAEQ1HEETxQx UzT+ncJf5C9wWRGEGhaRgXksWdblHKqBn7K+mufKwYWfB039x02ctFPeZY8Zc8E1HQxdrCsdKIc w+GFYqcrdOkoJwkm1waSCdCnHjc232iIKWr088ReNk4aSRknHtzf8v5K3yWaoyDMur8u8CZ/vuU K3OxAL4Yy0KSBRglb1nKHWv7LdlJZzQioOTDk8JpXzATWG6xbI4Y9g3UmcVRewIIsEgjc= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados Reply-To: From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) rm sentinel element from ctl_table arrays Acked-by: "Peter Zijlstra (Intel)" Signed-off-by: Joel Granados --- kernel/sched/autogroup.c | 1 - kernel/sched/core.c | 1 - kernel/sched/deadline.c | 1 - kernel/sched/fair.c | 1 - kernel/sched/rt.c | 1 - kernel/sched/topology.c | 1 - 6 files changed, 6 deletions(-) diff --git a/kernel/sched/autogroup.c b/kernel/sched/autogroup.c index 991fc9002535..db68a964e34e 100644 --- a/kernel/sched/autogroup.c +++ b/kernel/sched/autogroup.c @@ -19,7 +19,6 @@ static struct ctl_table sched_autogroup_sysctls[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, }, - {} }; static void __init sched_autogroup_sysctl_init(void) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index a708d225c28e..5631d0ec161b 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4708,7 +4708,6 @@ static struct ctl_table sched_core_sysctls[] = { .extra2 = SYSCTL_FOUR, }, #endif /* CONFIG_NUMA_BALANCING */ - {} }; static int __init sched_core_sysctl_init(void) { diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index b28114478b82..58cf9defc3b9 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -43,7 +43,6 @@ static struct ctl_table sched_dl_sysctls[] = { .proc_handler = proc_douintvec_minmax, .extra2 = (void *)&sysctl_sched_dl_period_max, }, - {} }; static int __init sched_dl_sysctl_init(void) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index d7a3c63a2171..8f5f016ebc46 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -157,7 +157,6 @@ static struct ctl_table sched_fair_sysctls[] = { .extra1 = SYSCTL_ZERO, }, #endif /* CONFIG_NUMA_BALANCING */ - {} }; static int __init sched_fair_sysctl_init(void) diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 6aaf0a3d6081..350f4e8b3b2f 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -56,7 +56,6 @@ static struct ctl_table sched_rt_sysctls[] = { .mode = 0644, .proc_handler = sched_rr_handler, }, - {} }; static int __init sched_rt_sysctl_init(void) diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c index 10d1391e7416..e3a354173005 100644 --- a/kernel/sched/topology.c +++ b/kernel/sched/topology.c @@ -322,7 +322,6 @@ static struct ctl_table sched_energy_aware_sysctls[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, }, - {} }; static int __init sched_energy_aware_sysctl_init(void) From patchwork Thu Jan 4 15:02:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13511224 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2DBF92420D; Thu, 4 Jan 2024 15:02:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="DDY6pdYI" Received: by smtp.kernel.org (Postfix) with ESMTPS id BCC91C116B3; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1704380565; bh=2YZbvYyt0a7TBx89a/LXKdhtP/fd+epxuxNolaWdMk4=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=DDY6pdYIRGuy/IqX3neDbTH5fLNvqXdNxzXiXjZI0ESY2XeKYIpyJyRyri9uNHeCZ S9QoGKTTb9cySRS8FvOJMwpEv4t7MHsKcBToHC1Kt1A4M1jX6JJl8Reo5fV36HlAcs Ex5LTPmId7JuXPLrmpmKld8/mFFDteGQVZFIGBb3CWqA4Ev/e3Dw+s7YpyLAsspfze eqQqBzy+C2puiszzKCVHYdJ+VAihA18L6y9/UQiC5ww2XbGPmAWU8Feug/5Cw0mRNb YLY5HoY9sedUmx4VJ0gTBvjYmczjofc2C9Xtg+Z057yjlo5UfoWAkEkaoUFvByjeku aTlpSLQyUpsQA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4D9CC47073; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) From: Joel Granados via B4 Relay Date: Thu, 04 Jan 2024 16:02:28 +0100 Subject: [PATCH v2 07/10] printk: Remove the now superfluous sentinel elements from ctl_table array Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-7-836cc04e00ec@samsung.com> References: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> In-Reply-To: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> To: Luis Chamberlain , willy@infradead.org, josh@joshtriplett.org, Kees Cook , Eric Biederman , Iurii Zaikin , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Thomas Gleixner , John Stultz , Stephen Boyd , Andy Lutomirski , Will Drewry , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Petr Mladek , John Ogness , Sergey Senozhatsky , "Naveen N. Rao" , Anil S Keshavamurthy , "David S. Miller" , Balbir Singh , Alexei Starovoitov , Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa Cc: linux-kernel@vger.kernel.org, kexec@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org, Joel Granados X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=918; i=j.granados@samsung.com; h=from:subject:message-id; bh=0RIXHtz2qk2L/BtCOsMTqHqgTDQk5qxNwP6u/9nvwkg=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBllsiRP58+mgIl1Ljw8f0Tp729I8/loQ4fDbu14 K2lkSCYZECJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZZbIkQAKCRC6l81St5ZB TwAeC/9GoHY3KhH9zUZQZJiDaYIXsyY3oxjLSIE8BsKGUZ2BwE82BWnnEF3foe8KPS2FRq1GsXX PJgzxRPEa4Tnr6JXWq7bA/T3CcdQz3EeaJdvnP66CS5wr5hQ1F7zl0K098VXOj2ooZUbfM1xyt9 pi1uM2q/Arm/dH3D4FjNorf+rGPaSCIYbVDdNcKCC2Le9uGj94EWXvpM/YUTRmOLIG1cTPXnY45 dlRCCSzpsC7sVPhG1Uf/qia7QsQHGDqKJHLYy73JJ9pOg+TgL1xH2EXRVXEPkyl9MRT0woRCgHG /SEZ356lVGqKjmG/GK0ox+1rTKYYkPT2KHpRPcvUXZWML/jHY9bimbi754rX5/sNiJMY1S6rJuw ebltqt9IFrvbVS9kwrHQfoi2oqS8wTxb1r2HWGwzj9x35MN8cX2ABbJspICnuqHot5tZuFGbnkn 8kSe7/H2N2fneoP2+DtJGcowYqW2alz+q/q1vg7Ilu7t0eRY81/M9ik0oPwi49Une54ME= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados Reply-To: From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) rm sentinel element from printk_sysctls Reviewed-by: Petr Mladek Signed-off-by: Joel Granados --- kernel/printk/sysctl.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/printk/sysctl.c b/kernel/printk/sysctl.c index c228343eeb97..3e47dedce9e5 100644 --- a/kernel/printk/sysctl.c +++ b/kernel/printk/sysctl.c @@ -76,7 +76,6 @@ static struct ctl_table printk_sysctls[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_TWO, }, - {} }; void __init printk_sysctl_init(void) From patchwork Thu Jan 4 15:02:29 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13511221 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1D19624204; Thu, 4 Jan 2024 15:02:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UAp4wTIS" Received: by smtp.kernel.org (Postfix) with ESMTPS id E38F5C4339A; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1704380566; bh=hlpr7Rh+WCSWMT4vZxE5w8t1/XHYkmxcty9BVrgA5A0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=UAp4wTISxqEeHyNEIjRiawNX/l+jcpNqpcCxfYCi/uyU6IpNgqfxDEPdXp8jQAPTE rXiYkApR4Ein2T0t660Tdj94d+UCiO2acXlwYbybyM6K3TllUro6YsWElcBkP/xWV3 pkCrArgmNm6HKQR839uwOOY/10AOmGfdLpUlAfxZocE6kAqaits9ONytq+bV1rAvaS Gr4DhA6wptyBsiklIax2dzI2lTyfNPQ7zNZOw64eMKy3GwGrorYldRSVwUrutAwy8i ITR6FKGdNa67spj3UFTuMbRbp3CFHszYot/VKygldUe4+2kPFb7fZ1D54re89YcsiZ t0kJYZsqtPEMA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id CABB0C47074; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) From: Joel Granados via B4 Relay Date: Thu, 04 Jan 2024 16:02:29 +0100 Subject: [PATCH v2 08/10] kprobes: Remove the now superfluous sentinel elements from ctl_table array Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-8-836cc04e00ec@samsung.com> References: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> In-Reply-To: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> To: Luis Chamberlain , willy@infradead.org, josh@joshtriplett.org, Kees Cook , Eric Biederman , Iurii Zaikin , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Thomas Gleixner , John Stultz , Stephen Boyd , Andy Lutomirski , Will Drewry , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Petr Mladek , John Ogness , Sergey Senozhatsky , "Naveen N. Rao" , Anil S Keshavamurthy , "David S. Miller" , Balbir Singh , Alexei Starovoitov , Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa Cc: linux-kernel@vger.kernel.org, kexec@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org, Joel Granados X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=918; i=j.granados@samsung.com; h=from:subject:message-id; bh=FiYzuIbbWeXBQHZeA3GrFUV/zI9p1hTad6YxElqrdyM=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBllsiRzlHx++7qX5DJLAjyT9FV57SLtpIJfK542 Gd/fl1eMi2JAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZZbIkQAKCRC6l81St5ZB T2v5C/9aZCwJBbBJFZCxSxXP12RwuKG4iNRsSt+9zCv6OMNW2X4kB43sueFjA4qzWwZnSovZeGg wQOvlrexE2JP73SoWmkYIAwxcbZaeHKZ9APA5fFKcA+C9pHJHuXxUy3CyCn4mcNyHNwAuMGmX02 OAJ0EJhIPn/wnL2DziGAJxmUnEofZIElsAUyyb1UP3OmA1DkABVq4o24Ns6M1pZzk6EZMijmhiW AqCbdpycbAnHN6p8d2C9hdzknOznMMq0g3SKI3VcbGgWDIpXsFKeJujblUsj+sHhsFKDxx+41Ls pIgXKhdZWSxsHu84PjQ9xRBF+pgxfgHK7mRJmLRt1jctCQ6rs+FmqVT4QdVfNzbD8JvbdZnWv3k 4clJTrKL/x5kAgVSbrsBWMD5TNk383518cCzwncVCZ9MAp20BaTLB5kSM4jw3NbR5RB8Wgb/Bh3 b4MUj7eKVgRiW464WC5sJkDVqZh9v4b8JwcX50ez3xZdpcNbAyFCH8nz4Zs/a6X1N0QOE= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados Reply-To: From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove sentinel element from kprobe_sysclts Acked-by: "Masami Hiramatsu (Google)" Signed-off-by: Joel Granados --- kernel/kprobes.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/kprobes.c b/kernel/kprobes.c index d5a0ee40bf66..1e0ea688cf7f 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -968,7 +968,6 @@ static struct ctl_table kprobe_sysctls[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, }, - {} }; static void __init kprobe_sysctls_init(void) From patchwork Thu Jan 4 15:02:30 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13511225 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 57880249EA; Thu, 4 Jan 2024 15:02:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="tzKw1YP7" Received: by smtp.kernel.org (Postfix) with ESMTPS id 0AD6AC433BA; Thu, 4 Jan 2024 15:02:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1704380566; bh=M0lJ+zooV1Yyo+14mKPEjenw2FnX5TBeXLD/QG0EKrM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=tzKw1YP7iIwTgszbYEuQZQ8dX1nOccWY8M8SGP2Nzp/8LWeIPOGNOr2NNzsoFe9Do j05IBQDEhuUS2ubHJ5bizSVvzoRJ17h4yzKH75+VO9hik5kXjhUm4A3h3koKADRHct U+1NakhR+RiLo8W62Qt5qJwvlywtfKPnZzlVgK2qRBTKNMB0y8gwrSxvYmfdZaepNA hjxHw25riuL0BfKnHW+SchCTLxkgE03cq1ntsNYrLlJDpGACxysJ0+QMD3WIPD0fDO xU0K5MV2RNIBrUAQapXUgekoxrBZP1PMfyIV2r/cSuP8mxcMYAHXXeM3WrKFsWkaCZ a8bxTIquTzCbA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id E4F5CC47079; Thu, 4 Jan 2024 15:02:45 +0000 (UTC) From: Joel Granados via B4 Relay Date: Thu, 04 Jan 2024 16:02:30 +0100 Subject: [PATCH v2 09/10] delayacct: Remove the now superfluous sentinel elements from ctl_table array Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-9-836cc04e00ec@samsung.com> References: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> In-Reply-To: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> To: Luis Chamberlain , willy@infradead.org, josh@joshtriplett.org, Kees Cook , Eric Biederman , Iurii Zaikin , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Thomas Gleixner , John Stultz , Stephen Boyd , Andy Lutomirski , Will Drewry , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Petr Mladek , John Ogness , Sergey Senozhatsky , "Naveen N. Rao" , Anil S Keshavamurthy , "David S. Miller" , Balbir Singh , Alexei Starovoitov , Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa Cc: linux-kernel@vger.kernel.org, kexec@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org, Joel Granados X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=901; i=j.granados@samsung.com; h=from:subject:message-id; bh=PJ/c6fiwMnA0nSEp9ZYMYlywMQK/R+6xe3ijDcw/ADA=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBllsiRDJVGlokeBPAeSnBuaNAX8JsMtOXt+W+FM Cp0ZHKNzvCJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZZbIkQAKCRC6l81St5ZB T0exC/0WOlxgdQAPTkUXH2DLj25puL6IGH5/b/8KTxvl+60NCnIK0wEAFPYJnXwxHEsq+TClWFB XpCPnd/DbI+DlCwtnb9PaX/0XnOscIW1ghf0w7khP8fPvWHC0bkY33+Kfbi6tS+ntWvPH7ZZvrc evDRhuly4KSc4ohC8Qdrdsgmk0yPVg4SKRo4fFUCF0dtwxlt5J1kE22Z6nJ2hG13egE8+T+82xp 19Q1JuQuRLHTKzQKqCi1oDxg/XxKIhTZfkS0Vb/9A1DACIS0YLWyMF6lcMcsRfo85Pufe0dOs0k H/XDH5JXuHJ1UBeFP1FrRnkIpYr0jkkR6UqYKd3IEzPaz42VXre2MEOIm576M0styOzXhtMTT8D ZhJ4mU72oirOt4qo/lmElvXNlIVaD5zsg2WMJgsN2F1r2nmMqo4yGcr2ICMGmjSkqGludZyJFzn h+Xn942NzRutgaffrzpd4F8smoC9HOBtKsdbTXiQolKnk7JyhFRKWosghv6n9hJ5OzOO4= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados Reply-To: From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove sentinel element from kern_delayacct_table Signed-off-by: Joel Granados --- kernel/delayacct.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/delayacct.c b/kernel/delayacct.c index 6f0c358e73d8..e039b0f99a0b 100644 --- a/kernel/delayacct.c +++ b/kernel/delayacct.c @@ -74,7 +74,6 @@ static struct ctl_table kern_delayacct_table[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, }, - { } }; static __init int kernel_delayacct_sysctls_init(void) From patchwork Thu Jan 4 15:02:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Granados via B4 Relay X-Patchwork-Id: 13511226 X-Patchwork-Delegate: bpf@iogearbox.net Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 987A224A1A; Thu, 4 Jan 2024 15:02:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="nsW7Rb53" Received: by smtp.kernel.org (Postfix) with ESMTPS id 2E381C116D4; Thu, 4 Jan 2024 15:02:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1704380566; bh=kgliciL51YFKa3cLHSM4og0/fDSqaNZhyZTq+Oc81TA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=nsW7Rb53KHfAX0Nh6H1jDfG7qvz2Vk73jXi4InvEpj/YI97BDbcPB6OTAqrJ78lf/ 220i2WYgvn/N3OifTztMg+2cewAynAPqsJ1B39cX+q/93lqsNsGEeVhHve4qbdDW2M nPQzY9L6c062vc8T0G5mM0dJc8nAe/E4TolZpra3XYsf9CSYYoNR4P2w1oqmEmZgGL f7rFuCacPvM2NcL5SzsSdEObWlRNWhpg4wj7CqJdhchJ23AzKkxLYPvmrryvnoKvMw 6f72MIwHglHjQcf890Y98Ytdkez1qhRl6M2Z9fGBs0QrtVw+UPjtszG88q8Ntr3wGG skY5giUaXsbsw== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0C0EDC4707C; Thu, 4 Jan 2024 15:02:46 +0000 (UTC) From: Joel Granados via B4 Relay Date: Thu, 04 Jan 2024 16:02:31 +0100 Subject: [PATCH v2 10/10] bpf: Remove the now superfluous sentinel elements from ctl_table array Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-10-836cc04e00ec@samsung.com> References: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> In-Reply-To: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com> To: Luis Chamberlain , willy@infradead.org, josh@joshtriplett.org, Kees Cook , Eric Biederman , Iurii Zaikin , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Thomas Gleixner , John Stultz , Stephen Boyd , Andy Lutomirski , Will Drewry , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider , Petr Mladek , John Ogness , Sergey Senozhatsky , "Naveen N. Rao" , Anil S Keshavamurthy , "David S. Miller" , Balbir Singh , Alexei Starovoitov , Daniel Borkmann , John Fastabend , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa Cc: linux-kernel@vger.kernel.org, kexec@lists.infradead.org, linux-fsdevel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org, Joel Granados X-Mailer: b4 0.13-dev-86aa5 X-Developer-Signature: v=1; a=openpgp-sha256; l=940; i=j.granados@samsung.com; h=from:subject:message-id; bh=/9ILE3EKbQ2mssrD1gckEhIuv3CDk/DZxHhwPHwwEx0=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBllsiRAKw5WmSLeFL9pLCoRkD2xOQzfyE2LboDw 7ti0+VZZtOJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZZbIkQAKCRC6l81St5ZB T+WWC/0RXYSdLR/7IJeBBz6p9iDgvsYnr/AK9k7hr4RjLa+NqM+EVZaGeryYzNo/F6bySHxjVV+ yCo/sJQztfLOk+xflQF2dbpXVxt4E2GLVXuzPa+t3RnJ/cokx39+4aHygNHzHx4X7xtFEvvdWPE YVk42LgKRPB0L4ZZEMdIq9tHQW7izXPTf7XufBrOUuryFzhStFPaSm4t2vvYugAcHr8nv6Hgvwh zzkB1CJ9WSUqizPTWcvGMxjZm4SG0hxwR/jMkBM/dBWo47XY0GEGmFQPP4NKjklcQd9cfe+lMbF kcnj6FWGOkQmGQLiJCopj0UaNyI7NQmPXqwoglLn3oRUWHv+aPmaByl4Rfau9iD+RIoikEzC0nC NjMbYBfS70oxYAs/nrvCxCOVlp+4t6AS9h1QjsxPffPDrPS8ODiDJ63K3YJQNWZbZdt7xr0CPK4 2RvIJDb3eOOIuAZ/+bSDks7jIt8APRQGbZQOnG2Qr7X+GYIMUcQ92silNWmLhqTEEi6ko= X-Developer-Key: i=j.granados@samsung.com; a=openpgp; fpr=F1F8E46D30F0F6C4A45FF4465895FAAC338C6E77 X-Endpoint-Received: by B4 Relay for j.granados@samsung.com/default with auth_id=70 X-Original-From: Joel Granados Reply-To: X-Patchwork-Delegate: bpf@iogearbox.net From: Joel Granados This commit comes at the tail end of a greater effort to remove the empty elements at the end of the ctl_table arrays (sentinels) which will reduce the overall build time size of the kernel and run time memory bloat by ~64 bytes per sentinel (further information Link : https://lore.kernel.org/all/ZO5Yx5JFogGi%2FcBo@bombadil.infradead.org/) Remove sentinel element from bpf_syscall_table. Acked-by: Andrii Nakryiko Signed-off-by: Joel Granados --- kernel/bpf/syscall.c | 1 - 1 file changed, 1 deletion(-) diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index 0ed286b8a0f0..2790deabf639 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -5727,7 +5727,6 @@ static struct ctl_table bpf_syscall_table[] = { .mode = 0644, .proc_handler = bpf_stats_handler, }, - { } }; static int __init bpf_syscall_sysctl_init(void)