[PATCH v2 12/27] mm/memcg: Add mem_cgroup_folio_lruvec
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Date: 2021-01-18 17:20:20
Also in:
linux-fsdevel, lkml
Subsystem:
control group - memory resource controller (memcg), the rest · Maintainers:
Johannes Weiner, Michal Hocko, Roman Gushchin, Shakeel Butt, Linus Torvalds
mem_cgroup_page_lruvec() already expects a head page, so this will add some typesafety once we can remove mem_cgroup_page_lruvec(). Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- include/linux/memcontrol.h | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 89aaa22506e6..ec7ecfc0e47b 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h@@ -1454,6 +1454,12 @@ static inline void lruvec_memcg_debug(struct lruvec *lruvec, struct page *page) } #endif /* CONFIG_MEMCG */ +static inline struct lruvec *mem_cgroup_folio_lruvec(struct folio *folio, + struct pglist_data *pgdat) +{ + return mem_cgroup_page_lruvec(&folio->page, pgdat); +} + static inline void __inc_lruvec_kmem_state(void *p, enum node_stat_item idx) { __mod_lruvec_kmem_state(p, idx, 1);
--
2.29.2