Merge branch 'sh/stable-updates'

1 files changed, 2 insertions, 1 deletions

diff --git a/mm/rmap.c b/mm/rmap.c
index ac4af8cffbf9..16521664010d 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1072,7 +1072,8 @@ static int try_to_unmap_file(struct page *page, int unlock, int migration)
         spin_lock(&mapping->i_mmap_lock);
         vma_prio_tree_foreach(vma, &iter, &mapping->i_mmap, pgoff, pgoff) {
                 if (MLOCK_PAGES && unlikely(unlock)) {
-                        if (!(vma->vm_flags & VM_LOCKED))
+                        if (!((vma->vm_flags & VM_LOCKED) &&
+                                                page_mapped_in_vma(page, vma)))
                                 continue;       /* must visit all vmas */
                         ret = SWAP_MLOCK;
                 } else {