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authorMatthew Wilcox (Oracle) <willy@infradead.org>2021-05-06 18:14:59 -0400
committerMatthew Wilcox (Oracle) <willy@infradead.org>2021-09-27 09:27:31 -0400
commitd21bba2b7d0ae19dd1279e10aee61c37a17aba74 (patch)
tree279421ef48dee2857e5aa5353edbd0c39c60894c /mm/migrate.c
parentbbc6b703b21963e909f633cf7718903ed5094319 (diff)
downloadlinux-d21bba2b7d0ae19dd1279e10aee61c37a17aba74.tar.gz
mm/memcg: Convert mem_cgroup_migrate() to take folios
Convert all callers of mem_cgroup_migrate() to call page_folio() first.
They all look like they're using head pages already, but this proves it.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: David Howells <dhowells@redhat.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Diffstat (limited to 'mm/migrate.c')
-rw-r--r--mm/migrate.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index da55d2a8638d..bfb8ba490479 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -542,6 +542,8 @@ int migrate_huge_page_move_mapping(struct address_space *mapping,
  */
 void migrate_page_states(struct page *newpage, struct page *page)
 {
+	struct folio *folio = page_folio(page);
+	struct folio *newfolio = page_folio(newpage);
 	int cpupid;
 
 	if (PageError(page))
@@ -609,7 +611,7 @@ void migrate_page_states(struct page *newpage, struct page *page)
 	copy_page_owner(page, newpage);
 
 	if (!PageHuge(page))
-		mem_cgroup_migrate(page, newpage);
+		mem_cgroup_migrate(folio, newfolio);
 }
 EXPORT_SYMBOL(migrate_page_states);