On Mon, Dec 20, 2021 at 04:56:42PM +0800, Muchun Song wrote: > It will simplify the code if moving memcg_online_kmem() to > mem_cgroup_css_online() and do not need to set ->kmemcg_id > to -1 to indicate the memcg is offline. In the next patch, > ->kmemcg_id will be used to sync list lru reparenting which > requires not to change ->kmemcg_id. > > Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> Nice! Acked-by: Roman Gushchin <guro@xxxxxx>