diff --git a/[refs] b/[refs]
index 22cf79764240..cc8cd8ab8688 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4d117c5c6b00254e51c61ff5b506ccaba21a5a03
+refs/heads/master: 5436499e6098759c2340f8b906ea52f993dc4efb
diff --git a/trunk/kernel/sched.c b/trunk/kernel/sched.c
index 152828239ef0..74498c840f93 100644
--- a/trunk/kernel/sched.c
+++ b/trunk/kernel/sched.c
@@ -6768,6 +6768,8 @@ sd_parent_degenerate(struct sched_domain *sd, struct sched_domain *parent)
 				SD_BALANCE_EXEC |
 				SD_SHARE_CPUPOWER |
 				SD_SHARE_PKG_RESOURCES);
+		if (nr_node_ids == 1)
+			pflags &= ~SD_SERIALIZE;
 	}
 	if (~cflags & pflags)
 		return 0;