From patchwork Tue Nov 7 13:45:06 2023 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: 13448695 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 492A430F9F; Tue, 7 Nov 2023 13:45:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="HE0xJzPt" Received: by smtp.kernel.org (Postfix) with ESMTPS id B267EC116AC; Tue, 7 Nov 2023 13:45:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1699364713; bh=sZs0j2mo85Cq5Cywc9XpWyAEv7pthi+VDiPkQQgKgTs=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=HE0xJzPt3ac/AHQ27maE6lsIksSPN11ajHJKmLWKGs+mfcvS4cMIrTubJR4f/KX1d vt3SznkNR1aVE9bw4GDiv3YW5V6CklIFbgkyFbXObotZMiSi1fTjhuItVe1rnW2keo yX5ocw0bk4jTAMNGxs0oBNHB0wmjudQy7LeCIigu+SeM/Vxj0dwNHjryPutG38Lc5t CwsP9Ig3nHM4PJZby3UIV5yr1YSTm5eEpRtByyrH2NYPQLfitTEJ/aRuODIXxoEjTC t4/uKobvIhHXkVnYJ59jEAJiAmVxLxHepzfjPoV5rvBebF9PR6I6VtgDoijw/mxDSw /FGxhTp4xahLg== 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 99099C4167B; Tue, 7 Nov 2023 13:45:13 +0000 (UTC) From: Joel Granados via B4 Relay Date: Tue, 07 Nov 2023 14:45:06 +0100 Subject: [PATCH 06/10] scheduler: Remove the now superfluous sentinel elements from ctl_table array Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20231107-jag-sysctl_remove_empty_elem_kernel-v1-6-e4ce1388dfa0@samsung.com> References: <20231107-jag-sysctl_remove_empty_elem_kernel-v1-0-e4ce1388dfa0@samsung.com> In-Reply-To: <20231107-jag-sysctl_remove_empty_elem_kernel-v1-0-e4ce1388dfa0@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=2943; i=j.granados@samsung.com; h=from:subject:message-id; bh=UOabK1KMOSqe3o+Y7aCe7ychtiaGw8W/Xw+Jo5nqfNg=; b=owEB7QES/pANAwAKAbqXzVK3lkFPAcsmYgBlSj9m0/0KTSsPcytJAUStT6yY9/L65boJ/ucUC MnXsvCos+yJAbMEAAEKAB0WIQSuRwlXJeYxJc7LJ5C6l81St5ZBTwUCZUo/ZgAKCRC6l81St5ZB T43TC/40Pbrt7jYF/1+ZdPMXyj2nNWxVW1FP1P/NJkejo6keYOJhjXwgGaG2lpEWjzMpUjt7bh5 010MTB1Popmn9JWhay7E9ada95ez9cDkTPVwpKKCQLzG0PBpmJj4Wt+mES5Lr4f4MfjxA7hGYEs nNdsjX+vKuWJoRaLjYH4PxXczDYL+ETp2Za/MYXIO2/SbcuWj3QZoKdQdsiogP597lzsoskunnF UzMNGen0PbKndqqwj+SIEWhHw5xUIu2m1saG4dESLdkBZ0SD3rihdOBBCa041pHrX9f0+i6k4s2 uc+fE+UHx/3w5toDzlBdfKcs0m8wCLfbGhPZiaNlN559n7a31xvMEzcsMSXtfc4Rg0+SFUGOqKQ WyP/lw5FyxU46uzO70Srud3C/eA0MsNY9toa/NwkMHowC+n11bEtLfp978W9dCpkV9ZldQbmaEE tYGsgxe2HrDCgnmFUjEnl5EPe2CykDFDPgD8P1z7/I+NpzkKhGIq2f8KFQxU2HjKZc0QY= 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 Signed-off-by: Joel Granados Acked-by: Peter Zijlstra (Intel) --- 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 2299a5cfbfb9..d45cd41f08b5 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4712,7 +4712,6 @@ 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 58b542bf2893..11f6e9a279d0 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 cb225921bbca..8fd5b8435a9e 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -172,7 +172,6 @@ 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 0597ba0f85ff..a6bcbef33e68 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -52,7 +52,6 @@ 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 05a5bc678c08..af998dbe097f 100644 --- a/kernel/sched/topology.c +++ b/kernel/sched/topology.c @@ -250,7 +250,6 @@ static struct ctl_table sched_energy_aware_sysctls[] = { .extra1 = SYSCTL_ZERO, .extra2 = SYSCTL_ONE, }, - {} }; static int __init sched_energy_aware_sysctl_init(void)