1 files changed, 4 insertions, 1 deletions

diff --git a/mm/migrate.c b/mm/migrate.c
index 0edeac91348d..37143b924484 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -312,7 +312,10 @@ static int migrate_page_move_mapping(struct address_space *mapping,
          */
         __dec_zone_page_state(page, NR_FILE_PAGES);
         __inc_zone_page_state(newpage, NR_FILE_PAGES);
-
+        if (PageSwapBacked(page)) {
+                __dec_zone_page_state(page, NR_SHMEM);
+                __inc_zone_page_state(newpage, NR_SHMEM);
+        }
         spin_unlock_irq(&mapping->tree_lock);
 
         return 0;