1 files changed, 3 insertions, 6 deletions

diff --git a/mm/memory.c b/mm/memory.c
index ef09f0acb1d8..072c1135ad37 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -678,7 +678,7 @@ static unsigned long zap_pte_range(struct mmu_gather *tlb,
                                 if (pte_dirty(ptent))
                                         set_page_dirty(page);
                                 if (pte_young(ptent))
-                                        mark_page_accessed(page);
+                                        SetPageReferenced(page);
                                 file_rss--;
                         }
                         page_remove_rmap(page, vma);
@@ -1531,8 +1531,6 @@ static int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,
                         if (vma->vm_ops->page_mkwrite(vma, old_page) < 0)
                                 goto unwritable_page;
 
-                        page_cache_release(old_page);
-
                         /*
                          * Since we dropped the lock we need to revalidate
                          * the PTE as someone else may have changed it.  If
@@ -1541,6 +1539,7 @@ static int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,
                          */
                         page_table = pte_offset_map_lock(mm, pmd, address,
                                                          &ptl);
+                        page_cache_release(old_page);
                         if (!pte_same(*page_table, orig_pte))
                                 goto unlock;
                 }
@@ -1776,9 +1775,7 @@ restart:
 }
 
 /**
- * unmap_mapping_range - unmap the portion of all mmaps
- * in the specified address_space corresponding to the specified
- * page range in the underlying file.
+ * unmap_mapping_range - unmap the portion of all mmaps in the specified address_space corresponding to the specified page range in the underlying file.
  * @mapping: the address space containing mmaps to be unmapped.
  * @holebegin: byte in first page to unmap, relative to the start of
  * the underlying file.  This will be rounded down to a PAGE_SIZE