diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index f1f977a..4c0c00e 100644
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -496,7 +496,7 @@
 }
 EXPORT_SYMBOL_GPL(remove_memory);
 
-#ifndef CONFIG_ACPI_NUMA
+#if !defined(CONFIG_ACPI_NUMA) && defined(CONFIG_NUMA)
 int memory_add_physaddr_to_nid(u64 start)
 {
 	return 0;
@@ -504,13 +504,6 @@
 EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
 #endif
 
-#ifndef CONFIG_ACPI_NUMA
-int memory_add_physaddr_to_nid(u64 start)
-{
-	return 0;
-}
-#endif
-
 #endif /* CONFIG_MEMORY_HOTPLUG */
 
 #ifdef CONFIG_MEMORY_HOTPLUG_RESERVE