On Fri, Jul 29, 2022 at 10:58:22AM -1000, Tejun Heo <tj@xxxxxxxxxx> wrote: > @@ -520,8 +520,8 @@ struct cgroup_root { > /* The root cgroup. Root is destroyed on its release. */ > struct cgroup cgrp; > > - /* for cgrp->ancestor_ids[0] */ > - u64 cgrp_ancestor_id_storage; > + /* for cgrp->ancestors[0] */ > + u64 cgrp_ancestor_storage; Just noticed, this member is (and was AFAICS) superfluous. Michal