From: "Alex Shi (tencent)" <alexs@xxxxxxxxxx>
Turn set_page_stable_node() into a wrapper folio_set_stable_node, and then
use it to replace the former. we will merge them together after all
place converted to folio.
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>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
---
mm/ksm.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/mm/ksm.c b/mm/ksm.c
index ef5c4b6d377c..3c52bf9df84c 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -1109,6 +1109,12 @@ static inline void set_page_stable_node(struct page *page,
page->mapping = (void *)((unsigned long)stable_node | PAGE_MAPPING_KSM);
}
+static inline void folio_set_stable_node(struct folio *folio,
+ struct ksm_stable_node *stable_node)
+{
+ set_page_stable_node(&folio->page, stable_node);
+}
+
#ifdef CONFIG_SYSFS
/*
* Only called through the sysfs control interface:
@@ -3241,7 +3247,7 @@ void folio_migrate_ksm(struct folio *newfolio, struct folio *folio)
* has gone stale (or that folio_test_swapcache has been cleared).
*/
smp_wmb();
- set_page_stable_node(&folio->page, NULL);
+ folio_set_stable_node(folio, NULL);
}
}
#endif /* CONFIG_MIGRATION */
--
2.43.0
