linux-kernel - Re: mm, compaction: fix build errors with kcompactd

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Message-ID: <56BB44D4.60004@suse.cz>
Date:	Wed, 10 Feb 2016 15:10:28 +0100
From:	Vlastimil Babka <vbabka@...e.cz>
To:	Arnd Bergmann <arnd@...db.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: mm, compaction: fix build errors with kcompactd

On 02/09/2016 03:15 PM, Arnd Bergmann wrote:
> The newly added kcompactd code introduces multiple build errors:
> 
> include/linux/compaction.h:91:12: error: 'kcompactd_run' defined but not used [-Werror=unused-function]
> mm/compaction.c:1953:2: error: implicit declaration of function 'hotcpu_notifier' [-Werror=implicit-function-declaration]
> 
> This marks the new empty wrapper functions as 'inline' to avoid unused-function warnings,
> and includes linux/cpu.h to get the hotcpu_notifier declaration.
> 
> Fixes: 8364acdfa45a ("mm, compaction: introduce kcompactd")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Thanks a lot!
Vlastimil