From 7d7602b4bed9b4e70c3c0650791b6b4531733a42 Mon Sep 17 00:00:00 2001 From: Shakeel Butt Date: Wed, 14 Aug 2024 22:04:49 -0700 Subject: memcg: move mem_cgroup_charge_statistics to v1 code There are no callers of mem_cgroup_charge_statistics() in the v2 code base, so move it to the v1 only code and rename it to memcg1_charge_statistics(). Link: https://lkml.kernel.org/r/20240815050453.1298138-4-shakeel.butt@linux.dev Signed-off-by: Shakeel Butt Cc: Johannes Weiner Cc: Michal Hocko Cc: Muchun Song Cc: Roman Gushchin Cc: T.J. Mercier Signed-off-by: Andrew Morton --- mm/memcontrol-v1.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) (limited to 'mm/memcontrol-v1.c') diff --git a/mm/memcontrol-v1.c b/mm/memcontrol-v1.c index 38809a26089a..7317f2ce8876 100644 --- a/mm/memcontrol-v1.c +++ b/mm/memcontrol-v1.c @@ -853,9 +853,9 @@ static int mem_cgroup_move_account(struct folio *folio, nid = folio_nid(folio); local_irq_disable(); - mem_cgroup_charge_statistics(to, nr_pages); + memcg1_charge_statistics(to, nr_pages); memcg1_check_events(to, nid); - mem_cgroup_charge_statistics(from, -nr_pages); + memcg1_charge_statistics(from, -nr_pages); memcg1_check_events(from, nid); local_irq_enable(); out: @@ -1439,6 +1439,19 @@ static void mem_cgroup_threshold(struct mem_cgroup *memcg) } } +void memcg1_charge_statistics(struct mem_cgroup *memcg, int nr_pages) +{ + /* pagein of a big page is an event. So, ignore page size */ + if (nr_pages > 0) + __count_memcg_events(memcg, PGPGIN, 1); + else { + __count_memcg_events(memcg, PGPGOUT, 1); + nr_pages = -nr_pages; /* for event */ + } + + __this_cpu_add(memcg->events_percpu->nr_page_events, nr_pages); +} + #define THRESHOLDS_EVENTS_TARGET 128 #define SOFTLIMIT_EVENTS_TARGET 1024 -- cgit v1.2.3