diff options
author | Kairui Song <kasong@tencent.com> | 2024-11-05 01:52:54 +0800 |
---|---|---|
committer | Andrew Morton <akpm@linux-foundation.org> | 2024-11-11 17:22:25 -0800 |
commit | 8d42abbfa4efe5fced63c0157d55f30347d7802c (patch) | |
tree | dbdabc1736455b2eaee39052cb97d9f3a7fcdcc9 /mm/memcontrol.c | |
parent | 78c0ed09131b772f062b986a2fcca6600daa6285 (diff) |
mm/list_lru: code clean up for reparenting
No feature change, just change of code structure and fix comment.
The list lrus are not empty until memcg_reparent_list_lru_node() calls are
all done, so the comments in memcg_offline_kmem were slightly inaccurate.
Link: https://lkml.kernel.org/r/20241104175257.60853-4-ryncsn@gmail.com
Signed-off-by: Kairui Song <kasong@tencent.com>
Reviewed-by: Muchun Song <muchun.song@linux.dev>
Acked-by: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Chengming Zhou <zhouchengming@bytedance.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Waiman Long <longman@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r-- | mm/memcontrol.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 6486e9652843..8b9061b58a72 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -3111,13 +3111,6 @@ static void memcg_offline_kmem(struct mem_cgroup *memcg) parent = root_mem_cgroup; memcg_reparent_objcgs(memcg, parent); - - /* - * After we have finished memcg_reparent_objcgs(), all list_lrus - * corresponding to this cgroup are guaranteed to remain empty. - * The ordering is imposed by list_lru_node->lock taken by - * memcg_reparent_list_lrus(). - */ memcg_reparent_list_lrus(memcg, parent); } |