1 files changed, 13 insertions, 7 deletions

diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 12a90a191c11..da8aa872eb6e 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -53,13 +53,6 @@ struct vm_area_struct;
 #define __GFP_BITS_SHIFT 20     /* Room for 20 __GFP_FOO bits */
 #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
 
-/* if you forget to add the bitmask here kernel will crash, period */
-#define GFP_LEVEL_MASK (__GFP_WAIT|__GFP_HIGH|__GFP_IO|__GFP_FS| \
-                        __GFP_COLD|__GFP_NOWARN|__GFP_REPEAT| \
-                        __GFP_NOFAIL|__GFP_NORETRY|__GFP_COMP| \
-                        __GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_THISNODE| \
-                        __GFP_MOVABLE)
-
 /* This equals 0, but use constants in case they ever change */
 #define GFP_NOWAIT      (GFP_ATOMIC & ~__GFP_HIGH)
 /* GFP_ATOMIC means both !wait (__GFP_WAIT not set) and use emergency pool */
@@ -86,6 +79,19 @@ struct vm_area_struct;
 #define GFP_THISNODE    ((__force gfp_t)0)
 #endif
 
+/* This mask makes up all the page movable related flags */
+#define GFP_MOVABLE_MASK (__GFP_MOVABLE)
+
+/* Control page allocator reclaim behavior */
+#define GFP_RECLAIM_MASK (__GFP_WAIT|__GFP_HIGH|__GFP_IO|__GFP_FS|\
+                        __GFP_NOWARN|__GFP_REPEAT|__GFP_NOFAIL|\
+                        __GFP_NORETRY|__GFP_NOMEMALLOC)
+
+/* Control allocation constraints */
+#define GFP_CONSTRAINT_MASK (__GFP_HARDWALL|__GFP_THISNODE)
+
+/* Do not use these with a slab allocator */
+#define GFP_SLAB_BUG_MASK (__GFP_DMA32|__GFP_HIGHMEM|~__GFP_BITS_MASK)
 
 /* Flag - indicates that the buffer will be suitable for DMA.  Ignored on some
    platforms, used as appropriate on others */