From b5855a26dedf210bcc1deb4cb30f9f657571a28a Mon Sep 17 00:00:00 2001 From: Roman Gushchin Date: Fri, 28 Jun 2024 21:03:12 +0000 Subject: mm: memcg: gather memcg1-specific fields initialization in memcg1_memcg_init() Gather all memcg1-specific struct mem_cgroup's members initialization in a new memcg1_memcg_init() function, defined in mm/memcontrol-v1.c. Obviously, if CONFIG_MEMCG_V1 is not set, there is no need to initialize these fields, so the function becomes trivial. Link: https://lkml.kernel.org/r/20240628210317.272856-5-roman.gushchin@linux.dev Signed-off-by: Roman Gushchin Acked-by: Shakeel Butt Cc: Johannes Weiner Cc: Michal Hocko Cc: Muchun Song Signed-off-by: Andrew Morton --- mm/memcontrol-v1.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'mm/memcontrol-v1.c') diff --git a/mm/memcontrol-v1.c b/mm/memcontrol-v1.c index c1d5076927a6..7218884bc3c9 100644 --- a/mm/memcontrol-v1.c +++ b/mm/memcontrol-v1.c @@ -1961,6 +1961,15 @@ out_kfree: return ret; } +void memcg1_memcg_init(struct mem_cgroup *memcg) +{ + INIT_LIST_HEAD(&memcg->oom_notify); + mutex_init(&memcg->thresholds_lock); + spin_lock_init(&memcg->move_lock); + INIT_LIST_HEAD(&memcg->event_list); + spin_lock_init(&memcg->event_list_lock); +} + void memcg1_css_offline(struct mem_cgroup *memcg) { struct mem_cgroup_event *event, *tmp; -- cgit v1.2.3