diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 4faed6a8f3aebe40984beeca756daf8e6f218a42..29b69300aee2749f8387c4e5d468850b12ea4237 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -30,17 +30,17 @@ bootmem_data_t plat_node_bdata[MAX_NUMNODES];
 
 struct memnode memnode;
 
-unsigned char cpu_to_node[NR_CPUS] __read_mostly = {
+int cpu_to_node_map[NR_CPUS] __read_mostly = {
 	[0 ... NR_CPUS-1] = NUMA_NO_NODE
 };
-EXPORT_SYMBOL(cpu_to_node);
+EXPORT_SYMBOL(cpu_to_node_map);
 
 unsigned char apicid_to_node[MAX_LOCAL_APIC] __cpuinitdata = {
 	[0 ... MAX_LOCAL_APIC-1] = NUMA_NO_NODE
 };
 
-cpumask_t node_to_cpumask[MAX_NUMNODES] __read_mostly;
-EXPORT_SYMBOL(node_to_cpumask);
+cpumask_t node_to_cpumask_map[MAX_NUMNODES] __read_mostly;
+EXPORT_SYMBOL(node_to_cpumask_map);
 
 int numa_off __initdata;
 unsigned long __initdata nodemap_addr;
@@ -542,20 +542,20 @@ void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
 	node_set(0, node_possible_map);
 	for (i = 0; i < NR_CPUS; i++)
 		numa_set_node(i, 0);
-	node_to_cpumask[0] = cpumask_of_cpu(0);
+	node_to_cpumask_map[0] = cpumask_of_cpu(0);
 	e820_register_active_regions(0, start_pfn, end_pfn);
 	setup_node_bootmem(0, start_pfn << PAGE_SHIFT, end_pfn << PAGE_SHIFT);
 }
 
 __cpuinit void numa_add_cpu(int cpu)
 {
-	set_bit(cpu, &node_to_cpumask[cpu_to_node(cpu)]);
+	set_bit(cpu, &node_to_cpumask_map[cpu_to_node(cpu)]);
 }
 
 void __cpuinit numa_set_node(int cpu, int node)
 {
 	cpu_pda(cpu)->nodenumber = node;
-	cpu_to_node(cpu) = node;
+	cpu_to_node_map[cpu] = node;
 }
 
 unsigned long __init numa_free_all_bootmem(void)
diff --git a/include/asm-x86/numa_64.h b/include/asm-x86/numa_64.h
index e6bc0b5dfe3a19715453cd6ae230f6f6cf7dd61a..c3c20db1fba305d29edaf67c0b8e2b8aac3af9c4 100644
--- a/include/asm-x86/numa_64.h
+++ b/include/asm-x86/numa_64.h
@@ -32,7 +32,7 @@ extern void __init init_cpu_to_node(void);
 
 static inline void clear_node_cpumask(int cpu)
 {
-	clear_bit(cpu, &node_to_cpumask[cpu_to_node(cpu)]);
+	clear_bit(cpu, &node_to_cpumask_map[cpu_to_node(cpu)]);
 }
 
 #else
diff --git a/include/asm-x86/topology_64.h b/include/asm-x86/topology_64.h
index 407b22d4e3b085bc2fb4b49b406209799e15dd87..cf529341b16c3d4b8d835e0a3ae29fd464449815 100644
--- a/include/asm-x86/topology_64.h
+++ b/include/asm-x86/topology_64.h
@@ -7,8 +7,8 @@
 #include <asm/mpspec.h>
 #include <linux/bitops.h>
 
-extern unsigned char cpu_to_node[];
-extern cpumask_t     node_to_cpumask[];
+extern int cpu_to_node_map[];
+extern cpumask_t node_to_cpumask_map[];
 
 #ifdef CONFIG_ACPI_NUMA
 extern int __node_distance(int, int);
@@ -16,10 +16,10 @@ extern int __node_distance(int, int);
 /* #else fallback version */
 #endif
 
-#define cpu_to_node(cpu)		(cpu_to_node[cpu])
+#define cpu_to_node(cpu)		(cpu_to_node_map[cpu])
 #define parent_node(node)		(node)
-#define node_to_first_cpu(node) 	(first_cpu(node_to_cpumask[node]))
-#define node_to_cpumask(node)		(node_to_cpumask[node])
+#define node_to_first_cpu(node)		(first_cpu(node_to_cpumask_map[node]))
+#define node_to_cpumask(node)		(node_to_cpumask_map[node])
 #define pcibus_to_node(bus)	((struct pci_sysdata *)((bus)->sysdata))->node
 #define pcibus_to_cpumask(bus)		node_to_cpumask(pcibus_to_node(bus));