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Re: [PATCH 2/4] Add a __GFP_SLABMEMCG flag [message #46751 is a reply to message #46745] Fri, 08 June 2012 19:31 Go to previous messageGo to previous message
Christoph Lameter is currently offline  Christoph Lameter
Messages: 123
Registered: September 2006
Senior Member
On Fri, 8 Jun 2012, Glauber Costa wrote:

> */
> #define __GFP_NOTRACK_FALSE_POSITIVE (__GFP_NOTRACK)
>
> -#define __GFP_BITS_SHIFT 25 /* Room for N __GFP_FOO bits */
> +#define __GFP_BITS_SHIFT 26 /* Room for N __GFP_FOO bits */
> #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1))

Please make this conditional on CONFIG_MEMCG or so. The bit can be useful
in particular on 32 bit architectures.

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