Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke...

[pandora-kernel.git] / include / linux / gfp.h

diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 412178a..7c777a0 100644 (file)
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -53,7 +53,19 @@ 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_BITS_SHIFT 21    /* Room for 21 __GFP_FOO bits */
+#ifdef CONFIG_KMEMCHECK
+#define __GFP_NOTRACK  ((__force gfp_t)0x200000u)  /* Don't track with kmemcheck */
+#else
+#define __GFP_NOTRACK  ((__force gfp_t)0)
+#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 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 */
@@ -87,7 +99,7 @@ struct vm_area_struct;
                        __GFP_NORETRY|__GFP_NOMEMALLOC)
 
 /* Control slab gfp mask during early boot */
-#define SLAB_GFP_BOOT_MASK __GFP_BITS_MASK & ~(__GFP_WAIT|__GFP_IO|__GFP_FS)
+#define GFP_BOOT_MASK __GFP_BITS_MASK & ~(__GFP_WAIT|__GFP_IO|__GFP_FS)
 
 /* Control allocation constraints */
 #define GFP_CONSTRAINT_MASK (__GFP_HARDWALL|__GFP_THISNODE)
@@ -336,4 +348,11 @@ static inline void oom_killer_enable(void)
        oom_killer_disabled = false;
 }
 
+extern gfp_t gfp_allowed_mask;
+
+static inline void set_gfp_allowed_mask(gfp_t mask)
+{
+       gfp_allowed_mask = mask;
+}
+
 #endif /* __LINUX_GFP_H */