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Date: Tue, 8 Dec 2015 13:56:42 -0800 (PST)
From: David Rientjes <rientjes@google.com>
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To: Johannes Weiner <hannes@cmpxchg.org>
cc: Andrew Morton <akpm@linux-foundation.org>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org, kernel-team@fb.com
Subject: Re: [PATCH] mm: page_alloc: fix variable type in zonelist type
 iteration
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On Tue, 8 Dec 2015, Johannes Weiner wrote:

> /home/hannes/src/linux/linux/mm/page_alloc.c: In function ‘build_zonelists’:
> /home/hannes/src/linux/linux/mm/page_alloc.c:4171:16: warning: comparison between ‘enum zone_type’ and ‘enum <anonymous>’ [-Wenum-compare]
>   for (i = 0; i < MAX_ZONELISTS; i++) {
>                 ^
> 
> MAX_ZONELISTS has never been of enum zone_type, probably gcc only
> recently started including -Wenum-compare in -Wall.
> 
> Make i a simple int.
> 
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>

I think this is already handled by 
http://marc.info/?l=linux-kernel&m=144901185732632.
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