diff options
Diffstat (limited to 'include/linux/gfp.h')
| -rw-r--r-- | include/linux/gfp.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 3760e7c5de02..80e14b8c2e78 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -52,7 +52,19 @@ struct vm_area_struct; #define __GFP_RECLAIMABLE ((__force gfp_t)0x80000u) /* Page is reclaimable */ #define __GFP_MOVABLE ((__force gfp_t)0x100000u) /* Page is movable */ -#define __GFP_BITS_SHIFT 21 /* Room for 21 __GFP_FOO bits */ +#ifdef CONFIG_KMEMCHECK +#define __GFP_NOTRACK ((__force gfp_t)0x200000u) /* Don't track with kmemcheck */ +#else +#define __GFP_NOTRACK ((__force gfp_t)0) +#endif + +/* + * This may seem redundant, but it's a way of annotating false positives vs. + * allocations that simply cannot be supported (e.g. page tables). + */ +#define __GFP_NOTRACK_FALSE_POSITIVE (__GFP_NOTRACK) + +#define __GFP_BITS_SHIFT 22 /* Room for 22 __GFP_FOO bits */ #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1)) /* This equals 0, but use constants in case they ever change */ |