diff options
Diffstat (limited to 'include/linux/gfp.h')
| -rw-r--r-- | include/linux/gfp.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/gfp.h b/include/linux/gfp.h index db373b9d3223..978232a3b4ae 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -40,6 +40,11 @@ struct vm_area_struct; #define ___GFP_DIRECT_RECLAIM 0x400000u #define ___GFP_WRITE 0x800000u #define ___GFP_KSWAPD_RECLAIM 0x1000000u +#ifdef CONFIG_LOCKDEP +#define ___GFP_NOLOCKDEP 0x4000000u +#else +#define ___GFP_NOLOCKDEP 0 +#endif /* If the above are modified, __GFP_BITS_SHIFT may need updating */ /* @@ -179,8 +184,11 @@ struct vm_area_struct; #define __GFP_NOTRACK ((__force gfp_t)___GFP_NOTRACK) #define __GFP_NOTRACK_FALSE_POSITIVE (__GFP_NOTRACK) +/* Disable lockdep for GFP context tracking */ +#define __GFP_NOLOCKDEP ((__force gfp_t)___GFP_NOLOCKDEP) + /* Room for N __GFP_FOO bits */ -#define __GFP_BITS_SHIFT 25 +#define __GFP_BITS_SHIFT (25 + IS_ENABLED(CONFIG_LOCKDEP)) #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1)) /* |