Index: linux-2.6/lib/radix-tree.c
===================================================================
--- linux-2.6.orig/lib/radix-tree.c
+++ linux-2.6/lib/radix-tree.c
@@ -85,20 +85,18 @@ DEFINE_PER_CPU(struct radix_tree_preload
 static struct radix_tree_node *
 radix_tree_node_alloc(struct radix_tree_root *root)
 {
-	struct radix_tree_node *ret;
-
-	ret = kmem_cache_alloc(radix_tree_node_cachep, root->gfp_mask);
-	if (ret == NULL && !(root->gfp_mask & __GFP_WAIT)) {
-		struct radix_tree_preload *rtp;
+	struct radix_tree_preload *rtp;
 
-		rtp = &__get_cpu_var(radix_tree_preloads);
-		if (rtp->nr) {
-			ret = rtp->nodes[rtp->nr - 1];
-			rtp->nodes[rtp->nr - 1] = NULL;
-			rtp->nr--;
-		}
+	rtp = &__get_cpu_var(radix_tree_preloads);
+	if (rtp->nr) {
+		struct radix_tree_node *ret;
+		ret = rtp->nodes[rtp->nr - 1];
+		rtp->nodes[rtp->nr - 1] = NULL;
+		rtp->nr--;
+		return ret;
 	}
-	return ret;
+
+	return kmem_cache_alloc(radix_tree_node_cachep, root->gfp_mask);
 }
 
 static void radix_tree_node_rcu_free(struct rcu_head *head)