linux-kernel - Re: [PATCH V8 1/2] mm: compaction: move compaction sysctl to its own file

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Date:   Tue, 28 Mar 2023 10:56:52 +0200
From:   Vlastimil Babka <vbabka@...e.cz>
To:     ye.xingchen@....com.cn, mcgrof@...nel.org
Cc:     keescook@...omium.org, yzaikin@...gle.com,
        akpm@...ux-foundation.org, chi.minghao@....com.cn,
        linmiaohe@...wei.com, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH V8 1/2] mm: compaction: move compaction sysctl to its own
 file

On 3/28/23 08:46, ye.xingchen@....com.cn wrote:
> From: Minghao Chi <chi.minghao@....com.cn>
> 
> This moves all compaction sysctls to its own file.
> 
> Move sysctl to where the functionality truly belongs to improve
> readability, reduce merge conflicts, and facilitate maintenance.
> 
> I use x86_defconfig and linux-next-20230327 branch
> $ make defconfig;make all -jn
> CONFIG_COMPACTION=y
> 
> add/remove: 1/0 grow/shrink: 1/1 up/down: 350/-256 (94)
> Function                                     old     new   delta
> vm_compaction                                  -     320    +320
> kcompactd_init                               180     210     +30
> vm_table                                    2112    1856    -256
> Total: Before=21119987, After=21120081, chg +0.00%
> 
> Despite the addition of 94 bytes the patch still seems a worthwile
> cleanup.
> 
> Link: https://lore.kernel.org/lkml/067f7347-ba10-5405-920c-0f5f985c84f4@suse.cz/
> Signed-off-by: Minghao Chi <chi.minghao@....com.cn>

Acked-by: Vlastimil Babka <vbabka@...e.cz>

Thanks.