mm, hotplug: fix error handling in mem_online_node()

[deliverable/linux.git] / mm / migrate.c

diff --git a/mm/migrate.c b/mm/migrate.c
index e4a5c912983df5352d701bce82fb691160c2e657..666e4e677414e6d790de715761e395116441e6c4 100644 (file)
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -288,7 +288,7 @@ 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)) {
+       if (!PageSwapCache(page) && PageSwapBacked(page)) {
                __dec_zone_page_state(page, NR_SHMEM);
                __inc_zone_page_state(newpage, NR_SHMEM);
        }