1 files changed, 4 insertions, 1 deletions

diff --git a/mm/migrate.c b/mm/migrate.c
index ab81d482ae6f..be26d5cbe56b 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -436,7 +436,10 @@ void migrate_page_copy(struct page *newpage, struct page *page)
                  * is actually a signal that all of the page has become dirty.
                  * Whereas only part of our page may be dirty.
                  */
-                __set_page_dirty_nobuffers(newpage);
+                if (PageSwapBacked(page))
+                        SetPageDirty(newpage);
+                else
+                        __set_page_dirty_nobuffers(newpage);
         }
 
         mlock_migrate_page(newpage, page);