diff --git a/include/asm-x86/mach-default/mach_apic.h b/include/asm-x86/mach-default/mach_apic.h
index 21003b5..0b2cde5 100644
--- a/include/asm-x86/mach-default/mach_apic.h
+++ b/include/asm-x86/mach-default/mach_apic.h
@@ -77,7 +77,11 @@
 
 static inline int apicid_to_node(int logical_apicid)
 {
+#ifdef CONFIG_SMP
+	return apicid_2_node[hard_smp_processor_id()];
+#else
 	return 0;
+#endif
 }
 #endif