[v2,03/10] ftrace: Remove the now superfluous sentinel elements from ctl_table array
Message ID | 20240104-jag-sysctl_remove_empty_elem_kernel-v2-3-836cc04e00ec@samsung.com |
---|---|
State | New |
Headers |
Return-Path: <linux-kernel+bounces-16822-ouuuleilei=gmail.com@vger.kernel.org> Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7301:6f82:b0:100:9c79:88ff with SMTP id tb2csp5666669dyb; Thu, 4 Jan 2024 07:07:35 -0800 (PST) X-Google-Smtp-Source: AGHT+IHyL4srhsXxe/GuBVgEDEHboS4Tu61CTdJsLNahiZd5XTl2DiA1sQvKh6t2UfvY9JshMuTP X-Received: by 2002:a17:90a:c8c:b0:28c:9e0b:5712 with SMTP id v12-20020a17090a0c8c00b0028c9e0b5712mr542128pja.64.1704380855070; Thu, 04 Jan 2024 07:07:35 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1704380855; cv=none; d=google.com; s=arc-20160816; b=QdYg60ly7nTRwirU2WROCprZ3BF8MPH+60UIWO6IVMpVEOSmCQl+skd60DrYm09aTZ Zx9u3WfmltZtSITebFUV+8vX31jxgOmdalkrfq4+xh6cg2MDgXFUpjYaiKu3FUumZh8a 5O6nfGD7fFshwv87ntn6rO8wRZgh5hbZjS3yBjXhwGPNTBe5+jetReUByOcsddr2I1iC X0l1KL+lONoH9rE1R7jS/8SSNvP/Yy5IrblW+dWp6O2DlMeELj5bF/qyYi6LF0iiOGso yKccYSqBBI9Ml/FTIN7ImvXhwqvA5GUB8VJrlGIfaUmomsdroZNIRUss129UP6u0GLV4 MkuA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=reply-to:cc:to:in-reply-to:references:message-id :content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:subject:date:from:dkim-signature; bh=/B4dbJPP2KYaIzkQrQyxcbPhHbedbZhNk1lOzt3zwL0=; fh=AuaFKPUwFYzSLqc7bUwLZldSXfNG4AOo7Dj5zlnvlas=; b=T2Xlm4FJr6y5MFmlU5YuMLL599F/N9DU3b1GPDp/u9MjsBLQOqE0WPWKAiJ8s4aJt1 46LfVhlvSZHaEF7GNKxWG6Tn5Dk8+KvCHIja1cVKd3sEgRjzb1iFsXGfkGgfuyZFRNCW R+h5T3ir5PZLOcalsMtZqG598RCaEVRUSoLhIXh+578Kep0lEd2bnCm6VANRkrwTyRpu ufTcmVliMGyH+EdYlZGUWUyS2fjCtQNicgYmFjl0C0KpBH4UiJikWcm/D+J0YMDZDsQi xGMAbbtRn+izcC3asnoFIRvlsb7l/xA41sKkECQQrHZ2BRA1mYTRWt06sTiSgdD2IgOY FzdA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=gklngGQ1; spf=pass (google.com: domain of linux-kernel+bounces-16822-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-16822-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from sy.mirrors.kernel.org (sy.mirrors.kernel.org. [2604:1380:40f1:3f00::1]) by mx.google.com with ESMTPS id d11-20020a17090ad98b00b0028c9e3fefd0si3065715pjv.11.2024.01.04.07.07.34 for <ouuuleilei@gmail.com> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Jan 2024 07:07:35 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-16822-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) client-ip=2604:1380:40f1:3f00::1; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=gklngGQ1; spf=pass (google.com: domain of linux-kernel+bounces-16822-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-16822-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sy.mirrors.kernel.org (Postfix) with ESMTPS id 9D37FB24ABA for <ouuuleilei@gmail.com>; Thu, 4 Jan 2024 15:05:13 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id C33A6288D5; Thu, 4 Jan 2024 15:02:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gklngGQ1" X-Original-To: linux-kernel@vger.kernel.org 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) 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 <devnull+j.granados.samsung.com@kernel.org> 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: linux-kernel@vger.kernel.org List-Id: <linux-kernel.vger.kernel.org> List-Subscribe: <mailto:linux-kernel+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-kernel+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit 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 <mcgrof@kernel.org>, willy@infradead.org, josh@joshtriplett.org, Kees Cook <keescook@chromium.org>, Eric Biederman <ebiederm@xmission.com>, Iurii Zaikin <yzaikin@google.com>, Steven Rostedt <rostedt@goodmis.org>, Masami Hiramatsu <mhiramat@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Thomas Gleixner <tglx@linutronix.de>, John Stultz <jstultz@google.com>, Stephen Boyd <sboyd@kernel.org>, Andy Lutomirski <luto@amacapital.net>, Will Drewry <wad@chromium.org>, Ingo Molnar <mingo@redhat.com>, Peter Zijlstra <peterz@infradead.org>, Juri Lelli <juri.lelli@redhat.com>, Vincent Guittot <vincent.guittot@linaro.org>, Dietmar Eggemann <dietmar.eggemann@arm.com>, Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>, Daniel Bristot de Oliveira <bristot@redhat.com>, Valentin Schneider <vschneid@redhat.com>, Petr Mladek <pmladek@suse.com>, John Ogness <john.ogness@linutronix.de>, Sergey Senozhatsky <senozhatsky@chromium.org>, "Naveen N. Rao" <naveen.n.rao@linux.ibm.com>, Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>, "David S. Miller" <davem@davemloft.net>, Balbir Singh <bsingharora@gmail.com>, Alexei Starovoitov <ast@kernel.org>, Daniel Borkmann <daniel@iogearbox.net>, John Fastabend <john.fastabend@gmail.com>, Andrii Nakryiko <andrii@kernel.org>, Martin KaFai Lau <martin.lau@linux.dev>, Song Liu <song@kernel.org>, Yonghong Song <yonghong.song@linux.dev>, KP Singh <kpsingh@kernel.org>, Stanislav Fomichev <sdf@google.com>, Hao Luo <haoluo@google.com>, Jiri Olsa <jolsa@kernel.org> 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 <j.granados@samsung.com> 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 <j.granados@samsung.com> Reply-To: <j.granados@samsung.com> X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1787172859493291383 X-GMAIL-MSGID: 1787172859493291383 |
Series |
[v2,01/10] kernel misc: Remove the now superfluous sentinel elements from ctl_table array
|
|
Commit Message
Joel Granados via B4 Relay
Jan. 4, 2024, 3:02 p.m. UTC
From: Joel Granados <j.granados@samsung.com> 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)" <mhiramat@kernel.org> Acked-by: "Steven Rostedt (Google)" <rostedt@goodmis.org> Signed-off-by: Joel Granados <j.granados@samsung.com> --- 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)