1 files changed, 12 insertions, 1 deletions

diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index 07ea89c16761..bb83c0da2071 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -205,9 +205,20 @@ int try_to_unmap_one(struct page *, struct vm_area_struct *,
 /*
  * Called from mm/filemap_xip.c to unmap empty zero page
  */
-pte_t *page_check_address(struct page *, struct mm_struct *,
+pte_t *__page_check_address(struct page *, struct mm_struct *,
                                 unsigned long, spinlock_t **, int);
 
+static inline pte_t *page_check_address(struct page *page, struct mm_struct *mm,
+                                        unsigned long address,
+                                        spinlock_t **ptlp, int sync)
+{
+        pte_t *ptep;
+
+        __cond_lock(*ptlp, ptep = __page_check_address(page, mm, address,
+                                                       ptlp, sync));
+        return ptep;
+}
+
 /*
  * Used by swapoff to help locate where page is expected in vma.
  */