This flag is used to indicate to the callees that this allocation is a kernel allocation in process context, and should be accounted to current's memcg. It takes numerical place of the of the recently removed __GFP_NO_KSWAPD.
Signed-off-by: Glauber Costa <[email protected]> CC: Christoph Lameter <[email protected]> CC: Pekka Enberg <[email protected]> CC: Michal Hocko <[email protected]> CC: Johannes Weiner <[email protected]> CC: Suleiman Souhlal <[email protected]> CC: Rik van Riel <[email protected]> CC: Mel Gorman <[email protected]> Acked-by: Kamezawa Hiroyuki <[email protected]> --- include/linux/gfp.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/include/linux/gfp.h b/include/linux/gfp.h index f9bc873..d8eae4d 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -35,6 +35,11 @@ struct vm_area_struct; #else #define ___GFP_NOTRACK 0 #endif +#ifdef CONFIG_MEMCG_KMEM +#define ___GFP_KMEMCG 0x400000u +#else +#define ___GFP_KMEMCG 0 +#endif #define ___GFP_OTHER_NODE 0x800000u #define ___GFP_WRITE 0x1000000u @@ -91,7 +96,7 @@ 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 */ - +#define __GFP_KMEMCG ((__force gfp_t)___GFP_KMEMCG) /* Allocation comes from a memcg-accounted resource */ /* * This may seem redundant, but it's a way of annotating false positives vs. * allocations that simply cannot be supported (e.g. page tables). -- 1.7.11.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
