2 files changed, 7 insertions, 0 deletions

diff --git a/include/asm-i386/mmzone.h b/include/asm-i386/mmzone.h
index 9cec191f462c..48e46d403aa6 100644
--- a/include/asm-i386/mmzone.h
+++ b/include/asm-i386/mmzone.h
@@ -143,4 +143,7 @@ static inline void get_memcfg_numa(void)
 }
 
 #endif /* CONFIG_DISCONTIGMEM */
+
+extern int early_pfn_to_nid(unsigned long pfn);
+
 #endif /* _ASM_MMZONE_H_ */
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 95f4a780ea66..6ef07de98d69 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -435,6 +435,10 @@ extern struct pglist_data contig_page_data;
 
 #endif
 
+#ifndef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID
+#define early_pfn_to_nid(nid)  (0UL)
+#endif
+
 #endif /* !__ASSEMBLY__ */
 #endif /* __KERNEL__ */
 #endif /* _LINUX_MMZONE_H */