On Tue, Mar 9, 2021 at 2:09 AM Muchun Song <songmuchun@xxxxxxxxxxxxx> wrote: > > We want to reuse the obj_cgroup APIs to charge the kmem pages. > If we do that, we should store an object cgroup pointer to > page->memcg_data for the kmem pages. > > Finally, page->memcg_data can have 3 different meanings. replace 'can' with 'will' Other than that I think Roman and Johannes have already given very good feedback.