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@google.com>Acked-by: Johannes Weiner <hannes@cmpxchg.org>