diff --git a/mm/mremap.c b/mm/mremap.c
index bc7c52e..8ea5c24 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -120,7 +120,7 @@
 
 #define LATENCY_LIMIT	(64 * PAGE_SIZE)
 
-static unsigned long move_page_tables(struct vm_area_struct *vma,
+unsigned long move_page_tables(struct vm_area_struct *vma,
 		unsigned long old_addr, struct vm_area_struct *new_vma,
 		unsigned long new_addr, unsigned long len)
 {