From 4882c80975e2bf7241a5b043eb1dbe8df2726a29 Mon Sep 17 00:00:00 2001 From: "Matthew Wilcox (Oracle)" Date: Tue, 27 Feb 2024 17:42:39 +0000 Subject: memcg: add mem_cgroup_uncharge_folios() Almost identical to mem_cgroup_uncharge_list(), except it takes a folio_batch instead of a list_head. Link: https://lkml.kernel.org/r/20240227174254.710559-6-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Ryan Roberts Cc: David Hildenbrand Cc: Mel Gorman Signed-off-by: Andrew Morton --- include/linux/memcontrol.h | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'include/linux') diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 9a2dea92be0e..35a0d7a851f0 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -721,10 +721,16 @@ static inline void mem_cgroup_uncharge_list(struct list_head *page_list) __mem_cgroup_uncharge_list(page_list); } -void mem_cgroup_cancel_charge(struct mem_cgroup *memcg, unsigned int nr_pages); +void __mem_cgroup_uncharge_folios(struct folio_batch *folios); +static inline void mem_cgroup_uncharge_folios(struct folio_batch *folios) +{ + if (mem_cgroup_disabled()) + return; + __mem_cgroup_uncharge_folios(folios); +} +void mem_cgroup_cancel_charge(struct mem_cgroup *memcg, unsigned int nr_pages); void mem_cgroup_replace_folio(struct folio *old, struct folio *new); - void mem_cgroup_migrate(struct folio *old, struct folio *new); /** @@ -1299,6 +1305,10 @@ static inline void mem_cgroup_uncharge_list(struct list_head *page_list) { } +static inline void mem_cgroup_uncharge_folios(struct folio_batch *folios) +{ +} + static inline void mem_cgroup_cancel_charge(struct mem_cgroup *memcg, unsigned int nr_pages) { -- cgit v1.2.3