diff --git a/[refs] b/[refs]
index c20a4a265c0d..b7396aecfa67 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6a4d7a90fc452171eabb4b5b23ab780451ae7f5b
+refs/heads/master: 20fcefe5a0a354b0cc78ec4634d9f72dab5f1ee9
diff --git a/trunk/arch/powerpc/mm/numa.c b/trunk/arch/powerpc/mm/numa.c
index 7393bd76d698..e26d5e5c22be 100644
--- a/trunk/arch/powerpc/mm/numa.c
+++ b/trunk/arch/powerpc/mm/numa.c
@@ -289,7 +289,7 @@ static int __init find_min_common_depth(void)
 	ref_points = of_get_property(rtas_root,
 			"ibm,associativity-reference-points", &len);
 
-	if ((len >= 1) && ref_points) {
+	if ((len >= 2 * sizeof(unsigned int)) && ref_points) {
 		depth = ref_points[1];
 	} else {
 		dbg("NUMA: ibm,associativity-reference-points not found.\n");