kmemcheck: add mm functions

[cascardo/linux.git] / include / linux / gfp.h

diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 0bbc15f..daeaa8f 100644 (file)
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -51,8 +51,15 @@ struct vm_area_struct;
 #define __GFP_THISNODE ((__force gfp_t)0x40000u)/* No fallback, no policies */
 #define __GFP_RECLAIMABLE ((__force gfp_t)0x80000u) /* Page is reclaimable */
 #define __GFP_MOVABLE  ((__force gfp_t)0x100000u)  /* Page is movable */
+#define __GFP_NOTRACK  ((__force gfp_t)0x200000u)  /* Don't track with kmemcheck */
 
-#define __GFP_BITS_SHIFT 21    /* Room for 21 __GFP_FOO bits */
+/*
+ * 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 22    /* Room for 22 __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 */