diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 218501c..7b54666 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -172,5 +172,7 @@
 extern int add_memory(int nid, u64 start, u64 size);
 extern int arch_add_memory(int nid, u64 start, u64 size);
 extern int remove_memory(u64 start, u64 size);
+extern int sparse_add_one_section(struct zone *zone, unsigned long start_pfn,
+								int nr_pages);
 
 #endif /* __LINUX_MEMORY_HOTPLUG_H */
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 4edf193..b7966ab 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -946,6 +946,8 @@
 extern void show_mem(void);
 extern void si_meminfo(struct sysinfo * val);
 extern void si_meminfo_node(struct sysinfo *val, int nid);
+extern void zonetable_add(struct zone *zone, int nid, enum zone_type zid,
+					unsigned long pfn, unsigned long size);
 
 #ifdef CONFIG_NUMA
 extern void setup_per_cpu_pageset(void);
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 2053bb1..63b14d4 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -26,8 +26,6 @@
 
 #include <asm/tlbflush.h>
 
-extern void zonetable_add(struct zone *zone, int nid, int zid, unsigned long pfn,
-			  unsigned long size);
 static int __add_zone(struct zone *zone, unsigned long phys_start_pfn)
 {
 	struct pglist_data *pgdat = zone->zone_pgdat;
@@ -47,8 +45,6 @@
 	return 0;
 }
 
-extern int sparse_add_one_section(struct zone *zone, unsigned long start_pfn,
-				  int nr_pages);
 static int __add_section(struct zone *zone, unsigned long phys_start_pfn)
 {
 	int nr_pages = PAGES_PER_SECTION;