linux-kernel - Re: [PATCH] scripts: Fix gfp-translate for recent changes to gfp.h

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Date:	Tue, 23 Nov 2010 08:22:15 +0000
From:	Mel Gorman <mel@....ul.ie>
To:	Am?rico Wang <xiyou.wangcong@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Namhyung Kim <namhyung@...il.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scripts: Fix gfp-translate for recent changes to gfp.h

On Tue, Nov 23, 2010 at 12:37:10PM +0800, Am?rico Wang wrote:
> On Mon, Nov 22, 2010 at 12:00:02PM +0000, Mel Gorman wrote:
> >The recent changes to gfp.h to satisfy sparse broke
> >scripts/gfp-translate. This patch fixes it up to work with old and new
> >versions of gfp.h .
> >
> >Signed-off-by: Mel Gorman <mel@....ul.ie>
> >---
> > scripts/gfp-translate |    7 ++++++-
> > 1 files changed, 6 insertions(+), 1 deletions(-)
> >
> >diff --git a/scripts/gfp-translate b/scripts/gfp-translate
> >index d81b968..128937e 100644
> >--- a/scripts/gfp-translate
> >+++ b/scripts/gfp-translate
> >@@ -63,7 +63,12 @@ fi
> > 
> > # Extract GFP flags from the kernel source
> > TMPFILE=`mktemp -t gfptranslate-XXXXXX` || exit 1
> >-grep "^#define __GFP" $SOURCE/include/linux/gfp.h | sed -e 's/(__force gfp_t)//' | sed -e 's/u)/)/' | grep -v GFP_BITS | sed -e 's/)\//) \//' > $TMPFILE
> >+grep ___GFP $SOURCE/include/linux/gfp.h > /dev/null
> 
> You might want 'grep -q'. :)
> 

I *do* want grep -q :) . Andrew has already applied a relevant fix, thanks
Andrew.

> 
> >+if [ $? -eq 0 ]; then
> >+	grep "^#define ___GFP" $SOURCE/include/linux/gfp.h | sed -e 's/u$//' | grep -v GFP_BITS > $TMPFILE
> >+else
> >+	grep "^#define __GFP" $SOURCE/include/linux/gfp.h | sed -e 's/(__force gfp_t)//' | sed -e 's/u)/)/' | grep -v GFP_BITS | sed -e 's/)\//) \//' > $TMPFILE
> >+fi
> > 
> > # Parse the flags
> > IFS="
> 
> Other than that, this patch looks fine for me.
> 
> Reviewed-by: WANG Cong <xiyou.wangcong@...il.com>
> 

Cheers.

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