linux-kernel - Re: [PATCH 06/10] scheduler: Remove the now superfluous sentinel elements from ctl

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Message-ID: <20231107144910.GY8262@noisy.programming.kicks-ass.net>
Date:   Tue, 7 Nov 2023 15:49:10 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     j.granados@...sung.com
Cc:     Luis Chamberlain <mcgrof@...nel.org>, willy@...radead.org,
        josh@...htriplett.org, Kees Cook <keescook@...omium.org>,
        Eric Biederman <ebiederm@...ssion.com>,
        Iurii Zaikin <yzaikin@...gle.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        John Stultz <jstultz@...gle.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Andy Lutomirski <luto@...capital.net>,
        Will Drewry <wad@...omium.org>, Ingo Molnar <mingo@...hat.com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Valentin Schneider <vschneid@...hat.com>,
        Petr Mladek <pmladek@...e.com>,
        John Ogness <john.ogness@...utronix.de>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        "Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>,
        Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        Balbir Singh <bsingharora@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        John Fastabend <john.fastabend@...il.com>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <martin.lau@...ux.dev>,
        Song Liu <song@...nel.org>,
        Yonghong Song <yonghong.song@...ux.dev>,
        KP Singh <kpsingh@...nel.org>,
        Stanislav Fomichev <sdf@...gle.com>,
        Hao Luo <haoluo@...gle.com>, Jiri Olsa <jolsa@...nel.org>,
        linux-kernel@...r.kernel.org, kexec@...ts.infradead.org,
        linux-fsdevel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
        bpf@...r.kernel.org
Subject: Re: [PATCH 06/10] scheduler: Remove the now superfluous sentinel
 elements from ctl_table array

On Tue, Nov 07, 2023 at 02:45:06PM +0100, Joel Granados via B4 Relay wrote:
> From: Joel Granados <j.granados@...sung.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
> 
> Signed-off-by: Joel Granados <j.granados@...sung.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(-)

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>