From b8b0ff244ddca0d475c91c9accf144e25311a951 Mon Sep 17 00:00:00 2001 From: "Alex Shi (tencent)" Date: Thu, 11 Apr 2024 14:17:04 +0800 Subject: mm/ksm: add folio_set_stable_node 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. Link: https://lkml.kernel.org/r/20240411061713.1847574-4-alexs@kernel.org Signed-off-by: Alex Shi (tencent) Reviewed-by: David Hildenbrand Cc: Izik Eidus Cc: Matthew Wilcox Cc: Andrea Arcangeli Cc: Hugh Dickins Cc: Chris Wright Signed-off-by: Andrew Morton --- mm/ksm.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'mm/ksm.c') 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 */ -- cgit v1.2.3