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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-06-18 13:24:12 +1000
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-18 13:12:57 -0700
commitdcce284a259373f9e5570f2e33f79eca84fcf565 (patch)
treeafc4b23208974f17c080ea3d2ecfbaca4254c010 /include/linux/gfp.h
parent9729a6eb5878a3daa18395f2b5fb38bf9359a761 (diff)
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mm: Extend gfp masking to the page allocator
The page allocator also needs the masking of gfp flags during boot, so this moves it out of slab/slub and uses it with the page allocator as well. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/gfp.h')
-rw-r--r--include/linux/gfp.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index cfdb35d71bc..7c777a0da17 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -99,7 +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)
@@ -348,4 +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 */