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

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Message-ID: <20151209144153.GA21713@cmpxchg.org>
Date:	Wed, 9 Dec 2015 09:41:53 -0500
From:	Johannes Weiner <hannes@...xchg.org>
To:	David Rientjes <rientjes@...gle.com>
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, Dec 08, 2015 at 01:56:42PM -0800, David Rientjes wrote:
> 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.

Yup, it does. Thanks, David. Scratch this patch.
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