linux-kernel - Re: [PATCH 2/3] mm,compaction: Add COMPACTION

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Message-ID: <20101115092655.GG27362@csn.ul.ie>
Date:	Mon, 15 Nov 2010 09:26:55 +0000
From:	Mel Gorman <mel@....ul.ie>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	Andrea Arcangeli <aarcange@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rik van Riel <riel@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] mm,compaction: Add COMPACTION_BUILD

On Sun, Nov 14, 2010 at 02:45:07PM +0900, KOSAKI Motohiro wrote:
> > To avoid #ifdef COMPACTION in a following patch, this patch adds
> > COMPACTION_BUILD that is similar to NUMA_BUILD in operation.
> > 
> > Signed-off-by: Mel Gorman <mel@....ul.ie>
> > ---
> >  include/linux/kernel.h |    7 +++++++
> >  1 files changed, 7 insertions(+), 0 deletions(-)
> > 
> > diff --git a/include/linux/kernel.h b/include/linux/kernel.h
> > index 450092c..c00c5d1 100644
> > --- a/include/linux/kernel.h
> > +++ b/include/linux/kernel.h
> > @@ -826,6 +826,13 @@ struct sysinfo {
> >  #define NUMA_BUILD 0
> >  #endif
> >  
> > +/* This helps us avoid #ifdef CONFIG_COMPACTION */
> > +#ifdef CONFIG_COMPACTION
> > +#define COMPACTION_BUILD 1
> > +#else
> > +#define COMPACTION_BUILD 0
> > +#endif
> > +
> 
> Looks good, of cource. but I think this patch can be fold [3/3] beucase 
> it doesn't have any change.
> 

Ok, I can do that.

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab
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