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-rw-r--r--mm/memory.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/memory.c b/mm/memory.c
index ef09f0acb1d8..0047d3a4e364 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -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;
}