linux-kernel - Re: [PATCH v2] mm/page_alloc: fix documentation error and remove magic numbers

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Date:   Wed, 24 Jun 2020 18:01:31 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Joel Savitz <jsavitz@...hat.com>
Cc:     linux-kernel@...r.kernel.org, Vlastimil Babka <vbabka@...e.cz>,
        John Hubbard <jhubbard@...dia.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Rafael Aquini <aquini@...hat.com>,
        Fabrizio D'Angelo <fdangelo@...hat.com>, linux-mm@...ck.org
Subject: Re: [PATCH v2] mm/page_alloc: fix documentation error and remove
 magic numbers

On Wed, Jun 24, 2020 at 12:49:43PM -0400, Joel Savitz wrote:
> When I increased the upper bound of the min_free_kbytes value in
> ee8eb9a5fe863, I forgot to tweak the above comment to reflect
> the new value. This patch fixes that mistake.
> 
> In addition, this patch replaces the magic number bounds with symbolic
> constants to clarify the logic.
> 
> changes from v1:
> - declare constants via enum instead of separate integers
> 
> Suggested-by: John Hubbard <jhubbard@...dia.com>
> Suggested-by: Vlastimil Babka <vbabka@...e.cz>
> Signed-off-by: Joel Savitz <jsavitz@...hat.com>

NAK.  Just fix the documentation.  It's bad form to combine two completely
different things in one patch anyway.