diff --git a/mm/rmap.c b/mm/rmap.c
index 8005080fb9e..13b34598b00 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -521,7 +521,7 @@ void page_unlock_anon_vma(struct anon_vma *anon_vma)
  * Returns virtual address or -EFAULT if page's index/offset is not
  * within the range mapped the @vma.
  */
-inline unsigned long
+static inline unsigned long
 vma_address(struct page *page, struct vm_area_struct *vma)
 {
 	pgoff_t pgoff = page->index << (PAGE_CACHE_SHIFT - PAGE_SHIFT);