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

[Glauber Costa]

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.

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