linux-kernel - Re: [PATCH v2] mm: fix warning in comparing enumerator

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Date:	Wed, 2 Dec 2015 17:16:27 +0800
From:	Yaowei Bai <baiyaowei@...s.chinamobile.com>
To:	Naoya Horiguchi <nao.horiguchi@...il.com>
Cc:	David Rientjes <rientjes@...gle.com>,
	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] mm: fix warning in comparing enumerator

On Wed, Dec 02, 2015 at 08:07:42AM +0900, Naoya Horiguchi wrote:
> On Tue, Dec 01, 2015 at 02:25:50PM -0800, David Rientjes wrote:
> > On Tue, 1 Dec 2015, Naoya Horiguchi wrote:
> 
> I saw the following warning when building mmotm-2015-11-25-17-08.
> 
> mm/page_alloc.c:4185:16: warning: comparison between 'enum zone_type' and 'enum <anonymous>' [-Wenum-compare]
>   for (i = 0; i < MAX_ZONELISTS; i++) {
>                 ^
> 
> enum zone_type is named like ZONE_* which is different from ZONELIST_*, so
> we are somehow doing incorrect comparison. Just fixes it.
> 
> Signed-off-by: Naoya Horiguchi <n-horiguchi@...jp.nec.com>

Acked-by: Yaowei Bai <baiyaowei@...s.chinamobile.com>


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