linux-kernel - Re: [PATCH v2 1/1] mm: page_alloc: Avoid defining unused function

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Date: Tue, 23 Apr 2024 21:27:07 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Johannes Weiner <hannes@...xchg.org>
Subject: Re: [PATCH v2 1/1] mm: page_alloc: Avoid defining unused function

On Tue, Apr 23, 2024 at 11:10:00AM -0700, Andrew Morton wrote:
> On Tue, 23 Apr 2024 19:14:43 +0300 Andy Shevchenko <andriy.shevchenko@...ux.intel.com> wrote:
> > In some configurations I got
> > mm/page_alloc.c:656:20: warning: unused function 'add_to_free_list' [-Wunused-function]
> > Becuase the only user is guarged with a certain ifdeffery,
> > do the same for add_to_free_list().

..

> Thanks, I'll queue this as a fix against "mm: page_alloc: consolidate
> free page accounting".

Thank you!

> Please do tell us the config when fixing these things.  That way I can
> do a little bisect to ensure that I correctly identified the offending
> patch.

Hmm... You mean defconfig? I can share it.

I built this with `make W=1`, probably that one helps, but the MM parts of
the defconfig have not been altered by me from the x86_64_defconfig.

-- 
With Best Regards,
Andy Shevchenko