linux-kernel - Re: [PATCH 1/7] memory: Remove the now superfluous sentinel element from ctl

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Message-Id: <8E19B519-9035-42E0-92DC-7C21471543D8@linux.dev>
Date: Mon, 1 Apr 2024 11:21:25 +0800
From: Muchun Song <muchun.song@...ux.dev>
To: j.granados@...sung.com
Cc: Andrew Morton <akpm@...ux-foundation.org>,
 Miaohe Lin <linmiaohe@...wei.com>,
 Naoya Horiguchi <naoya.horiguchi@....com>,
 John Johansen <john.johansen@...onical.com>,
 Paul Moore <paul@...l-moore.com>,
 James Morris <jmorris@...ei.org>,
 "Serge E. Hallyn" <serge@...lyn.com>,
 David Howells <dhowells@...hat.com>,
 Jarkko Sakkinen <jarkko@...nel.org>,
 Kees Cook <keescook@...omium.org>,
 Herbert Xu <herbert@...dor.apana.org.au>,
 "David S. Miller" <davem@...emloft.net>,
 Jens Axboe <axboe@...nel.dk>,
 Pavel Begunkov <asml.silence@...il.com>,
 Atish Patra <atishp@...shpatra.org>,
 Anup Patel <anup@...infault.org>,
 Will Deacon <will@...nel.org>,
 Mark Rutland <mark.rutland@....com>,
 Paul Walmsley <paul.walmsley@...ive.com>,
 Palmer Dabbelt <palmer@...belt.com>,
 Albert Ou <aou@...s.berkeley.edu>,
 Luis Chamberlain <mcgrof@...nel.org>,
 linux-mm@...ck.org,
 linux-kernel@...r.kernel.org,
 linux-fsdevel@...r.kernel.org,
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Subject: Re: [PATCH 1/7] memory: Remove the now superfluous sentinel element
 from ctl_table array

> On Mar 28, 2024, at 23:57, Joel Granados via B4 Relay <devnull+j.granados.samsung.com@...nel.org> 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/)
> 
> Remove sentinel from all files under mm/ that register a sysctl table.
> 
> Signed-off-by: Joel Granados <j.granados@...sung.com>

Reviewed-by: Muchun Song <muchun.song@...ux.dev>

THanks.