On Tue, Feb 23, 2021 at 12:56:25PM -0800, Shakeel Butt wrote: > Replace the implicit checking of root memcg with explicit root memcg > checking i.e. !css->parent with mem_cgroup_is_root(). > > Signed-off-by: Shakeel Butt <shakeelb@xxxxxxxxxx> Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>