diff options
| -rw-r--r-- | mm/memory.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/mm/memory.c b/mm/memory.c index 02e48aa0ed1..d0cc1c134a6 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2112,7 +2112,7 @@ static int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma, { struct page *old_page, *new_page; pte_t entry; - int reuse = 0, ret = 0; + int ret = 0; int page_mkwrite = 0; struct page *dirty_page = NULL; @@ -2149,14 +2149,16 @@ static int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma, } page_cache_release(old_page); } - reuse = reuse_swap_page(old_page); - if (reuse) + if (reuse_swap_page(old_page)) { /* * The page is all ours. Move it to our anon_vma so * the rmap code will not search our parent or siblings. * Protected against the rmap code by the page lock. */ page_move_anon_rmap(old_page, vma, address); + unlock_page(old_page); + goto reuse; + } unlock_page(old_page); } else if (unlikely((vma->vm_flags & (VM_WRITE|VM_SHARED)) == (VM_WRITE|VM_SHARED))) { @@ -2220,10 +2222,7 @@ static int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma, } dirty_page = old_page; get_page(dirty_page); - reuse = 1; - } - if (reuse) { reuse: flush_cache_page(vma, address, pte_pfn(orig_pte)); entry = pte_mkyoung(orig_pte); |