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

From: Mel Gorman
Date: Tue Nov 23 2010 - 03:22:37 EST


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@xxxxxxxxx>
> >---
> > 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@xxxxxxxxx>
>

Cheers.

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