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From: Joel Granados via B4 Relay <devnull+j.granados.samsung.com@kernel.org>
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>
Subject: [PATCH v2 06/10] scheduler: Remove the now superfluous sentinel elements from ctl_table array
Date: Thu, 04 Jan 2024 16:02:27 +0100	[thread overview]
Message-ID: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-6-836cc04e00ec@samsung.com> (raw)
In-Reply-To: <20240104-jag-sysctl_remove_empty_elem_kernel-v2-0-836cc04e00ec@samsung.com>

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/)

rm sentinel element from ctl_table arrays

Acked-by: "Peter Zijlstra (Intel)" <peterz@infradead.org>
Signed-off-by: Joel Granados <j.granados@samsung.com>
---
 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)

-- 
2.30.2


  parent reply	other threads:[~2024-01-04 15:02 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-04 15:02 [PATCH v2 00/10] sysctl: Remove sentinel elements from kernel dir Joel Granados via B4 Relay
2024-01-04 15:02 ` [PATCH v2 01/10] kernel misc: Remove the now superfluous sentinel elements from ctl_table array Joel Granados via B4 Relay
2024-01-04 15:02 ` [PATCH v2 02/10] umh: " Joel Granados via B4 Relay
2024-01-04 15:02 ` [PATCH v2 03/10] ftrace: " Joel Granados via B4 Relay
2024-01-04 15:02 ` [PATCH v2 04/10] timekeeping: " Joel Granados via B4 Relay
2024-01-04 15:02 ` [PATCH v2 05/10] seccomp: " Joel Granados via B4 Relay
2024-01-04 15:02 ` Joel Granados via B4 Relay [this message]
2024-01-04 15:02 ` [PATCH v2 07/10] printk: " Joel Granados via B4 Relay
2024-01-04 15:02 ` [PATCH v2 08/10] kprobes: " Joel Granados via B4 Relay
2024-01-04 15:02 ` [PATCH v2 09/10] delayacct: " Joel Granados via B4 Relay
2024-01-04 15:02 ` [PATCH v2 10/10] bpf: " Joel Granados via B4 Relay
2024-01-04 15:05 ` [PATCH v2 00/10] sysctl: Remove sentinel elements from kernel dir Matthew Wilcox
2024-01-04 15:23   ` Joel Granados

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