diff --git a/mm/sparse.c b/mm/sparse.c
index 39db301..083f5b6 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -570,7 +570,7 @@
  * set.  If this is <=0, then that means that the passed-in
  * map was not consumed and must be freed.
  */
-int sparse_add_one_section(struct zone *zone, unsigned long start_pfn,
+int __meminit sparse_add_one_section(struct zone *zone, unsigned long start_pfn,
 			   int nr_pages)
 {
 	unsigned long section_nr = pfn_to_section_nr(start_pfn);