GFP_PROTECTED changes the nodemask checks when ALLOC_CPUSET is set in the page allocator to check the full set of nodes in cpuset->mems_allowed rather than just sysram nodes in task->mems_default.
Signed-off-by: Gregory Price <[email protected]> --- include/linux/gfp_types.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/gfp_types.h b/include/linux/gfp_types.h index 65db9349f905..2c0c250ade3a 100644 --- a/include/linux/gfp_types.h +++ b/include/linux/gfp_types.h @@ -58,6 +58,7 @@ enum { #ifdef CONFIG_SLAB_OBJ_EXT ___GFP_NO_OBJ_EXT_BIT, #endif + ___GFP_PROTECTED_BIT, ___GFP_LAST_BIT }; @@ -103,6 +104,7 @@ enum { #else #define ___GFP_NO_OBJ_EXT 0 #endif +#define ___GFP_PROTECTED BIT(___GFP_PROTECTED_BIT) /* * Physical address zone modifiers (see linux/mmzone.h - low four bits) @@ -115,6 +117,7 @@ enum { #define __GFP_HIGHMEM ((__force gfp_t)___GFP_HIGHMEM) #define __GFP_DMA32 ((__force gfp_t)___GFP_DMA32) #define __GFP_MOVABLE ((__force gfp_t)___GFP_MOVABLE) /* ZONE_MOVABLE allowed */ +#define __GFP_PROTECTED ((__force gfp_t)___GFP_PROTECTED) /* Protected nodes allowed */ #define GFP_ZONEMASK (__GFP_DMA|__GFP_HIGHMEM|__GFP_DMA32|__GFP_MOVABLE) /** -- 2.51.1
