This flag is used to indicate to the callees that this allocation will be serviced to the kernel. It is not supposed to be passed by the callers of kmem_cache_alloc, but rather by the cache core itself.
CC: Christoph Lameter <c...@linux.com> CC: Pekka Enberg <penb...@cs.helsinki.fi> CC: Michal Hocko <mho...@suse.cz> CC: Kamezawa Hiroyuki <kamezawa.hir...@jp.fujitsu.com> CC: Johannes Weiner <han...@cmpxchg.org> CC: Suleiman Souhlal <sulei...@google.com> --- include/linux/gfp.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 581e74b..05cfbc2 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -37,6 +37,7 @@ struct vm_area_struct; #define ___GFP_NO_KSWAPD 0x400000u #define ___GFP_OTHER_NODE 0x800000u #define ___GFP_WRITE 0x1000000u +#define ___GFP_SLABMEMCG 0x2000000u /* * GFP bitmasks.. @@ -87,6 +88,7 @@ struct vm_area_struct; #define __GFP_NO_KSWAPD ((__force gfp_t)___GFP_NO_KSWAPD) #define __GFP_OTHER_NODE ((__force gfp_t)___GFP_OTHER_NODE) /* On behalf of other node */ #define __GFP_WRITE ((__force gfp_t)___GFP_WRITE) /* Allocator intends to dirty page */ +#define __GFP_SLABMEMCG ((__force gfp_t)___GFP_SLABMEMCG)/* Allocation comes from a memcg slab */ /* * This may seem redundant, but it's a way of annotating false positives vs. @@ -94,7 +96,7 @@ struct vm_area_struct; */ #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)) /* This equals 0, but use constants in case they ever change */ -- 1.7.10.2 _______________________________________________ Devel mailing list Devel@openvz.org https://openvz.org/mailman/listinfo/devel
