linux-kernel - Re: [PATCH V5 1/2] mm: compaction: move compaction sysctl to its own file

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Message-ID: <ZBq9uO6wLI1fX1x/@infradead.org>
Date:   Wed, 22 Mar 2023 01:35:04 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     ye.xingchen@....com.cn
Cc:     mcgrof@...nel.org, keescook@...omium.org, yzaikin@...gle.com,
        akpm@...ux-foundation.org, linmiaohe@...wei.com,
        chi.minghao@....com.cn, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH V5 1/2] mm: compaction: move compaction sysctl to its own
 file

On Wed, Mar 22, 2023 at 10:46:28AM +0800, ye.xingchen@....com.cn wrote:
> From: Minghao Chi <chi.minghao@....com.cn>
> 
> This moves all compaction sysctls to its own file.

So there's a whole lot of these 'move sysctrls to their own file'
patches, but no actual explanation of why that is desirable.  Please
explain why we'd want to split code that is closely related, and now
requires marking symbols non-static just to create a new tiny source
file.