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-rw-r--r--mm/migrate.c5
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;