On Thu, Feb 02, 2023 at 09:27:39AM +0100, Michal Hocko wrote: > On Thu 02-02-23 12:32:57, zhaoyang.huang wrote: > > From: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx> > > > > Introducing memory.root_current for the memory charges on root_mem_cgroup. > > Charges are not currently accounted for the root memcg universally. See > try_charge which is used for all user space and skmem charges. I am not > 100% sure about objcg based accounting because there is no explicit > check for the root memcg but this might be hidden somewhere as well. root_mem_cgroup has no corresponding obj_cgroup: see memcg_online_kmem(). Thanks
