Re: [PATCH] add __GFP_ZERO to GFP_LEVEL_MASK

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On (23/07/07 13:38), Peter Zijlstra didst pronounce:
> On Mon, 2007-07-23 at 12:21 +0100, Mel Gorman wrote:
> 
> > Does this patch compile though?
> 
> Ugh, the fix landed in another patch :-(
> 
> updated patch below.
> 
> ---
> Daniel recently spotted that __GFP_ZERO is not (and has never been)
> part of GFP_LEVEL_MASK. I could not find a reason for this in the
> original patch: 3977971c7f09ce08ed1b8d7a67b2098eb732e4cd in the -bk
> tree.
> 

Missing sign-off but anyway

Acked-by: Mel Gorman <[email protected]>

> This of course is in stark contradiction with the comment accompanying
> GFP_LEVEL_MASK.
> ---
>  include/linux/gfp.h |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Index: linux-2.6-2/include/linux/gfp.h
> ===================================================================
> --- linux-2.6-2.orig/include/linux/gfp.h
> +++ linux-2.6-2/include/linux/gfp.h
> @@ -56,7 +56,7 @@ struct vm_area_struct;
>  /* if you forget to add the bitmask here kernel will crash, period */
>  #define GFP_LEVEL_MASK (__GFP_WAIT|__GFP_HIGH|__GFP_IO|__GFP_FS| \
>  			__GFP_COLD|__GFP_NOWARN|__GFP_REPEAT| \
> -			__GFP_NOFAIL|__GFP_NORETRY|__GFP_COMP| \
> +			__GFP_NOFAIL|__GFP_NORETRY|__GFP_COMP|__GFP_ZERO| \
>  			__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_THISNODE| \
>  			__GFP_MOVABLE)
>  
> 
> 
> -
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-- 
-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab
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