From patchwork Thu Mar 28 15:44:11 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: 13608793 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 2F2AE131196; Thu, 28 Mar 2024 15:44:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711640658; cv=none; b=ndUoJKcSEJokfXulbLSRTqnv07K2gP+A8efoowq4yvpGSmVd7EQV+ZXtHLtHzJB43K7MpfpgWPMveSd6sRd72eMEVvzCmJ3fVKvvMq7esOQ440SdIfMlzIQs3itvA6qLn91xj26wYKEVwmePrrO5I4lLNxtXabEt//stQRUx37I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711640658; c=relaxed/simple; bh=MHDLw01aV7Y2y8q4FVOlVqqv1r/NUfwe173AEwvrpiQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=AHR2dbKUbXV6N46pxQ10qkeZ29wNxut0Kdg5uB1ZB+5U+AdakjwpbRg7lNpiQcbcM8pITUYXqiT1r//ra0axPYYfSJE+KfUQgd0o7QEHD3/qJBLkjh9OBcxuyk1D+ydqORZ7gYvndoeayrviOSjcNRE/OBwdsAFTO3hPLYqH/NU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dKPD2wS4; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dKPD2wS4" Received: by smtp.kernel.org (Postfix) with ESMTPS id 06321C4E66A; Thu, 28 Mar 2024 15:44:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711640658; bh=MHDLw01aV7Y2y8q4FVOlVqqv1r/NUfwe173AEwvrpiQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=dKPD2wS418NUIbqJZhZ08bU1j9gcAOSF+5V8WUweINfFYLrG796kBAdHGPno8ouFE cfg24Z9mXJ4mMIMNgO8ptj6Bs31eL4WdrAlLq79VvMQkyDbGokebYEivh6+U7hgz+O lIgOraJK97jRcAkwbE0TQg2/DZ5tmtDQIYiutkDEgAGumoSAunQQsm0kNazW6mIHCu Qyn78HeyB3+aN6GcZbukSEEdRLmtZnjTx82OpkUxA0Bnzf+amJOOL7QEeZX23WU0dK llOxfI/qQ3r3tmo4wOcYVa2SqwdBtA4BPLXM5Jm2hxMKM0AI85vAEBwc6teCx4TZR3 9goN7McNdwdsA== 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 E1065CD1284; Thu, 28 Mar 2024 15:44:17 +0000 (UTC) From: Joel Granados via B4 Relay Date: Thu, 28 Mar 2024 16:44:11 +0100 Subject: [PATCH v3 10/10] bpf: Remove the now superfluous sentinel elements from ctl_table array Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240328-jag-sysctl_remove_empty_elem_kernel-v3-10-285d273912fe@samsung.com> References: <20240328-jag-sysctl_remove_empty_elem_kernel-v3-0-285d273912fe@samsung.com> In-Reply-To: <20240328-jag-sysctl_remove_empty_elem_kernel-v3-0-285d273912fe@samsung.com> To: Luis Chamberlain , 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-2d940 X-Developer-Signature: v=1; a=openpgp-sha256; l=940; i=j.granados@samsung.com; h=from:subject:message-id; bh=EHedMAAx8mJbivlU9QHUO7qJGc32TBFT3ByM4xDoG9I=; b=owJ4nAHtARL+kA0DAAoBupfNUreWQU8ByyZiAGYFkE408xMhw90vhF81FOWcLfCE8LWhQfflT 61/EIF6yCrZ3okBswQAAQoAHRYhBK5HCVcl5jElzssnkLqXzVK3lkFPBQJmBZBOAAoJELqXzVK3 lkFPfZQL/3zdbAgEIU2dcwe2erodBotsa3e1HOBR1lR9Kv1mef/Eai0SkALWcSc5dDfORlh8Bpq PH8ootjUW/DunAVLKXTQn4VMu6CLt820UZOwAAUShG8wiPlD4fPaiCI3bJT2Gmei+/UblaMVCdT 7zSXlcmiXsNQpLq8wzHqy1pX7aghk8yJqVPHjwRh/RQdcVvFeabeB6ftt/HC5jB4xRGKOC2oRuT t1YyA9E3vlnRld0l3Uz4poLLs6b+/Hl1CYRdcR90Vamvfh2vrhHNkhSZalYTcUe6Zt35Kda6JmY h+Bn9Q93xvC9r8Ehl48JR/4OnKrelkTK5nibpYdaTr+qdGNmJMIlGTaIfwjxFPnT9wQwxHgSore qY5gbsjMkHcpBf/cSrodl7fYS+2m8r1N6uxoFO+qx6jK8BEHEkPUSly2nhgOStdKvBxcMqJo15Y /UHtNHyB50pyHMxZlSDGfg/qGcL5XYwLqrGyHpObIk+F5IXwU2yUuRmWXIZcFjiMMdWAeEM4C85 rE= 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: j.granados@samsung.com 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 ae2ff73bde7e..c7e805087b06 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -5979,7 +5979,6 @@ static struct ctl_table bpf_syscall_table[] = { .mode = 0644, .proc_handler = bpf_stats_handler, }, - { } }; static int __init bpf_syscall_sysctl_init(void)