linux-kernel - Re: [PATCH] mm: page_alloc: fix variable type in zonelist type iteration

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Message-ID: <alpine.DEB.2.10.1512081356290.29940@chino.kir.corp.google.com>
Date:	Tue, 8 Dec 2015 13:56:42 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Johannes Weiner <hannes@...xchg.org>
cc:	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCH] mm: page_alloc: fix variable type in zonelist type
 iteration

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@...xchg.org>

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