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

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Message-ID: <20101123043710.GA5187@cr0.nay.redhat.com>
Date:	Tue, 23 Nov 2010 12:37:10 +0800
From:	Américo Wang <xiyou.wangcong@...il.com>
To:	Mel Gorman <mel@....ul.ie>
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 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'. :)


>+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>

Thanks.
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