diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index 7721674..9d50e7e 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -140,6 +140,11 @@
 void page_add_file_rmap(struct page *);
 void page_remove_rmap(struct page *);
 
+void hugepage_add_anon_rmap(struct page *, struct vm_area_struct *,
+			    unsigned long);
+void hugepage_add_new_anon_rmap(struct page *, struct vm_area_struct *,
+				unsigned long);
+
 static inline void page_dup_rmap(struct page *page)
 {
 	atomic_inc(&page->_mapcount);