diff --git a/include/asm-i386/mmzone.h b/include/asm-i386/mmzone.h
index 08e3cfd86328..516421300ea2 100644
--- a/include/asm-i386/mmzone.h
+++ b/include/asm-i386/mmzone.h
@@ -37,6 +37,8 @@ static inline void get_memcfg_numa(void)
 	get_memcfg_numa_flat();
 }
 
+extern int early_pfn_to_nid(unsigned long pfn);
+
 #else /* !CONFIG_NUMA */
 #define get_memcfg_numa get_memcfg_numa_flat
 #define get_zholes_size(n) (0)
@@ -149,6 +151,4 @@ static inline int pfn_valid(int pfn)
 
 #endif /* CONFIG_NEED_MULTIPLE_NODES */
 
-extern int early_pfn_to_nid(unsigned long pfn);
-
 #endif /* _ASM_MMZONE_H_ */