diff --git a/[refs] b/[refs]
index bbe9768c4599..c3c861559e53 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c5428e950ad42640f00092949fd17e356dfdeafa
+refs/heads/master: 4c31e92b97b6d7e7b19ee5e54a22571ffdebb305
diff --git a/trunk/arch/x86/mm/numa_64.c b/trunk/arch/x86/mm/numa_64.c
index d73aaa892371..2d05a12029dc 100644
--- a/trunk/arch/x86/mm/numa_64.c
+++ b/trunk/arch/x86/mm/numa_64.c
@@ -188,6 +188,9 @@ void __init setup_node_bootmem(int nodeid, unsigned long start,
 	const int pgdat_size = roundup(sizeof(pg_data_t), PAGE_SIZE);
 	int nid;
 
+	if (!end)
+		return;
+
 	start = roundup(start, ZONE_ALIGN);
 
 	printk(KERN_INFO "Bootmem setup node %d %016lx-%016lx\n", nodeid,