Re: [PATCH v3 net-next 07/12] net-memcg: Introduce mem_cgroup_sk_enabled().

Kuniyuki Iwashima [off-list ref] writes:

The socket memcg feature is enabled by a static key and
only works for non-root cgroup.

We check both conditions in many places.

Let's factorise it as a helper function.

Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>

Acked-by: Roman Gushchin <roman.gushchin@linux.dev>