diff --git a/[refs] b/[refs]
index 3185b5430bb0..dae520240864 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 240c879f20a605346705be24253bc9fc6fa8a106
+refs/heads/master: ae52a2adb5afa5ac5ec5fb5c7b24777f84b6c926
diff --git a/trunk/mm/ksm.c b/trunk/mm/ksm.c
index 43bc893470b4..b5b907cb0f90 100644
--- a/trunk/mm/ksm.c
+++ b/trunk/mm/ksm.c
@@ -800,6 +800,8 @@ static int replace_page(struct vm_area_struct *vma, struct page *page,
 	set_pte_at_notify(mm, addr, ptep, mk_pte(kpage, vma->vm_page_prot));
 
 	page_remove_rmap(page);
+	if (!page_mapped(page))
+		try_to_free_swap(page);
 	put_page(page);
 
 	pte_unmap_unlock(ptep, ptl);