diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index 05bdf7affb431742a7c0f7ea8c167bea6300c530..5629b45e89c6bc50892c4a8e69b66d0f0be67d86 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -36,9 +36,7 @@ int arch_register_cpu(int num)
 	 */
 	if (!can_cpei_retarget() && is_cpu_cpei_target(num))
 		sysfs_cpus[num].cpu.no_control = 1;
-#ifdef CONFIG_NUMA
 	map_cpu_to_node(num, node_cpuid[num].nid);
-#endif
 #endif
 
 	return register_cpu(&sysfs_cpus[num].cpu, num);
diff --git a/include/asm-ia64/numa.h b/include/asm-ia64/numa.h
index e0a1d173e42df07fd74ebee65ffde116b9e76ec9..7d5e2ccc37a079fb4fe2ffbd16d69c919c6610a5 100644
--- a/include/asm-ia64/numa.h
+++ b/include/asm-ia64/numa.h
@@ -69,6 +69,8 @@ extern void unmap_cpu_from_node(int cpu, int nid);
 
 
 #else /* !CONFIG_NUMA */
+#define map_cpu_to_node(cpu, nid)	do{}while(0)
+#define unmap_cpu_from_node(cpu, nid)	do{}while(0)
 
 #define paddr_to_nid(addr)	0