Re: [PATCH] Revert "mm: remove __GFP_NO_KSWAPD"

Glauber Costa
2012-11-20T09:18:30Z

On 11/12/2012 03:37 PM, Mel Gorman wrote:
> diff --git a/include/linux/gfp.h b/include/linux/gfp.h
> index 02c1c971..d0a7967 100644
> --- a/include/linux/gfp.h
> +++ b/include/linux/gfp.h
> @@ -31,6 +31,7 @@ struct vm_area_struct;
> #define ___GFP_THISNODE 0x40000u
> #define ___GFP_RECLAIMABLE 0x80000u
> #define ___GFP_NOTRACK 0x200000u
> +#define ___GFP_NO_KSWAPD 0x400000u
> #define ___GFP_OTHER_NODE 0x800000u
> #define ___GFP_WRITE 0x1000000u

Keep in mind that this bit has been reused in -mm.
If this patch needs to be reverted, we'll need to first change
the definition of __GFP_KMEMCG (and __GFP_BITS_SHIFT as a result), or it
would break things.