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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 /mm/slub.c
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 'mm/slub.c')
-rw-r--r--mm/slub.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/mm/slub.c b/mm/slub.c
index 4c6449310a0..ce62b770e2f 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -179,12 +179,6 @@ static enum {
SYSFS /* Sysfs up */
} slab_state = DOWN;
-/*
- * The slab allocator is initialized with interrupts disabled. Therefore, make
- * sure early boot allocations don't accidentally enable interrupts.
- */
-static gfp_t slab_gfp_mask __read_mostly = SLAB_GFP_BOOT_MASK;
-
/* A list of all slab caches on the system */
static DECLARE_RWSEM(slub_lock);
static LIST_HEAD(slab_caches);
@@ -1692,7 +1686,7 @@ static __always_inline void *slab_alloc(struct kmem_cache *s,
unsigned long flags;
unsigned int objsize;
- gfpflags &= slab_gfp_mask;
+ gfpflags &= gfp_allowed_mask;
lockdep_trace_alloc(gfpflags);
might_sleep_if(gfpflags & __GFP_WAIT);
@@ -3220,10 +3214,6 @@ void __init kmem_cache_init(void)
void __init kmem_cache_init_late(void)
{
- /*
- * Interrupts are enabled now so all GFP allocations are safe.
- */
- slab_gfp_mask = __GFP_BITS_MASK;
}
/*