[LTP] [PATCH v4] mm: memcg/slab: Stop reparented obj_cgroups from charging root

[Shakeel Butt]

On Thu, Oct 22, 2020 at 10:25 AM Roman Gushchin <guro@fb.com> wrote:
>
[snip]
> >
> > Since bf4f059954dc ("mm: memcg/slab: obj_cgroup API") is in 5.9, I
> > think we can take this patch for 5.9 and 5.10 but keep Roman's cleanup
> > for 5.11.
> >
> > What does everyone think?
>
> I think we should use the link to the root approach both for stable backports
> and for 5.11+, to keep them in sync. The cleanup (always charging the root cgroup)
> is not directly related to this problem, and we can keep it for 5.11+ only.
>
> Thanks!

Roman, can you send the signed-off patch for the root linking for
use_hierarchy=0?