diff --git a/[refs] b/[refs]
index fa0c59eb627f..a109188b1620 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d65bfacb046f3df8aa11a9cb9b6e448f6171174d
+refs/heads/master: ea05c8444e451f1cfbf78c68733e717ad7b8602b
diff --git a/trunk/mm/dmapool.c b/trunk/mm/dmapool.c
index 3df063706f53..4df2de77e069 100644
--- a/trunk/mm/dmapool.c
+++ b/trunk/mm/dmapool.c
@@ -311,6 +311,8 @@ void *dma_pool_alloc(struct dma_pool *pool, gfp_t mem_flags,
 	size_t offset;
 	void *retval;
 
+	might_sleep_if(mem_flags & __GFP_WAIT);
+
 	spin_lock_irqsave(&pool->lock, flags);
  restart:
 	list_for_each_entry(page, &pool->page_list, page_list) {