KVM: Fix device assignment threaded irq handler

[karo-tx-linux.git] / mm / migrate.c

diff --git a/mm/migrate.c b/mm/migrate.c
index ab81d482ae6f1cac508fce796c8902432e32c3ad..be26d5cbe56b34d63f8c8ac8b799782f9ef6424b 100644 (file)
--- 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);