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-rw-r--r--mm/migrate.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index 5c5df09ac962..b32630d10329 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1944,7 +1944,8 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm,
/* Prepare a page as a migration target */
__SetPageLocked(new_page);
- __SetPageSwapBacked(new_page);
+ if (PageSwapBacked(page))
+ __SetPageSwapBacked(new_page);
/* anon mapping, we can simply copy page->mapping to the new page: */
new_page->mapping = page->mapping;