slub: Add might_sleep_if() to slab_alloc()

Currently SLUB doesn't warn about __GFP_WAIT. Add it into slab_alloc(). Acked-by: Christoph Lameter <cl@linux-foundation.org> Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
git-mirror · Dec 29, 2008 · 89124d7 · 89124d7
1 parent 3c92ec8
commit 89124d7
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/mm/slub.c b/mm/slub.c
@@ -1591,6 +1591,7 @@ static __always_inline void *slab_alloc(struct kmem_cache *s,
 	unsigned long flags;
 	unsigned int objsize;
 
+	might_sleep_if(gfpflags & __GFP_WAIT);
 	local_irq_save(flags);
 	c = get_cpu_slab(s, smp_processor_id());
 	objsize = c->objsize;