1 files changed, 11 insertions, 2 deletions

diff --git a/mm/rmap.c b/mm/rmap.c
index 53c56dacd725..f01e92244c53 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -360,8 +360,17 @@ static int page_referenced_one(struct page *page,
                 goto out_unmap;
         }
 
-        if (ptep_clear_flush_young_notify(vma, address, pte))
-                referenced++;
+        if (ptep_clear_flush_young_notify(vma, address, pte)) {
+                /*
+                 * Don't treat a reference through a sequentially read
+                 * mapping as such.  If the page has been used in
+                 * another mapping, we will catch it; if this other
+                 * mapping is already gone, the unmap path will have
+                 * set PG_referenced or activated the page.
+                 */
+                if (likely(!VM_SequentialReadHint(vma)))
+                        referenced++;
+        }
 
         /* Pretend the page is referenced if the task has the
            swap token and is in the middle of a page fault. */