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 <cl@xxxxxxxxx> CC: Pekka Enberg <penberg@xxxxxxxxxxxxxx> CC: Michal Hocko <mhocko@xxxxxxx> CC: Kamezawa Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> CC: Johannes Weiner <hannes@xxxxxxxxxxx> CC: Suleiman Souhlal <suleiman@xxxxxxxxxx> --- include/linux/gfp.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 581e74b..f904fe1 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -37,6 +37,9 @@ struct vm_area_struct; #define ___GFP_NO_KSWAPD 0x400000u #define ___GFP_OTHER_NODE 0x800000u #define ___GFP_WRITE 0x1000000u +#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM +#define ___GFP_SLABMEMCG 0x2000000u +#endif /* * GFP bitmasks.. @@ -88,13 +91,16 @@ struct vm_area_struct; #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 */ +#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM +#define __GFP_SLABMEMCG ((__force gfp_t)___GFP_SLABMEMCG)/* Allocation comes from a memcg slab */ +#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 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>