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)