[PATCH] swapper_space warning suppression

Suppress page allocation warnings arising from radix_tree_node_alloc()
allocations on behalf of swapper_space: these are expected under heavy load.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

mm/swap_state.c

@@ -34,7 +34,7 @@ static struct backing_dev_info swap_backing_dev_info = {
 };
 
 struct address_space swapper_space = {
-	.page_tree	= RADIX_TREE_INIT(GFP_ATOMIC),
+	.page_tree	= RADIX_TREE_INIT(GFP_ATOMIC|__GFP_NOWARN),
 	.tree_lock	= SPIN_LOCK_UNLOCKED,
 	.a_ops		= &swap_aops,
 	.i_mmap_nonlinear = LIST_HEAD_INIT(swapper_space.i_mmap_nonlinear),