diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 1aecc658cd7d..59898fb0a4aa 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -494,11 +494,13 @@ void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
 	int i;
 
 	nodes_clear(node_possible_map);
+	nodes_clear(node_online_map);
 
 #ifdef CONFIG_NUMA_EMU
 	if (cmdline && !numa_emulation(start_pfn, end_pfn))
 		return;
 	nodes_clear(node_possible_map);
+	nodes_clear(node_online_map);
 #endif
 
 #ifdef CONFIG_ACPI_NUMA
@@ -506,6 +508,7 @@ void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
 					  end_pfn << PAGE_SHIFT))
 		return;
 	nodes_clear(node_possible_map);
+	nodes_clear(node_online_map);
 #endif
 
 #ifdef CONFIG_K8_NUMA
@@ -513,6 +516,7 @@ void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
 					end_pfn<<PAGE_SHIFT))
 		return;
 	nodes_clear(node_possible_map);
+	nodes_clear(node_online_map);
 #endif
 	printk(KERN_INFO "%s\n",
 	       numa_off ? "NUMA turned off" : "No NUMA configuration found");
@@ -524,7 +528,6 @@ void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
 	memnode_shift = 63;
 	memnodemap = memnode.embedded_map;
 	memnodemap[0] = 0;
-	nodes_clear(node_online_map);
 	node_set_online(0);
 	node_set(0, node_possible_map);
 	for (i = 0; i < NR_CPUS; i++)