[PATCH v3 13/14] mm/ksm: use folio_set_stable_node in try_to_merge_one_page

[alexs]

From: "Alex Shi (tencent)" <alexs@xxxxxxxxxx>

Only single page could be reached where we set stable node after write
protect, so use folio converted func to replace page's.

Signed-off-by: Alex Shi (tencent) <alexs@xxxxxxxxxx>
Cc: Izik Eidus <izik.eidus@xxxxxxxxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Chris Wright <chrisw@xxxxxxxxxxxx>
---
 mm/ksm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/ksm.c b/mm/ksm.c
index 15a78a9bab59..d7c4cc4a0cc1 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -1518,7 +1518,7 @@ static int try_to_merge_one_page(struct vm_area_struct *vma,
 			 * PageAnon+anon_vma to PageKsm+NULL stable_node:
 			 * stable_tree_insert() will update stable_node.
 			 */
-			set_page_stable_node(page, NULL);
+			folio_set_stable_node(page_folio(page), NULL);
 			mark_page_accessed(page);
 			/*
 			 * Page reclaim just frees a clean page with no dirty
-- 
2.43.0