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

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Message-ID: <alpine.DEB.2.10.1512011535420.23632@chino.kir.corp.google.com>
Date:	Tue, 1 Dec 2015 15:35:55 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Naoya Horiguchi <nao.horiguchi@...il.com>
cc:	Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Yaowei Bai <baiyaowei@...s.chinamobile.com>,
	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, 2 Dec 2015, Naoya Horiguchi wrote:

> From: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
> Subject: [PATCH v2] mm: fix warning in comparing enumerator
> 
> 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: David Rientjes <rientjes@...gle.com>
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