On Wed, Oct 28, 2020 at 11:50:10AM +0800, Muchun Song wrote:
> Consider the following memcg hierarchy.
>
> root
> / \
> A B
>
> If we get the objcg of memcg A failed, the get_obj_cgroup_from_current
> can return the wrong objcg for the root memcg.
>
> Fixes: bf4f059954dc ("mm: memcg/slab: obj_cgroup API")
> Signed-off-by: Muchun Song <[email protected]>Acked-by: Roman Gushchin <[email protected]> Thanks!

