netdev - Re: [PATCH v1 net-next 07/13] net-memcg: Introduce mem_cgroup_sk

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Message-ID: <CANn89i+XTkEfrLdJJa88n1YWPapFAc_OY7L0kAPO-z4hsqjHhA@mail.gmail.com>
Date: Tue, 22 Jul 2025 07:40:26 -0700
From: Eric Dumazet <edumazet@...gle.com>
To: Kuniyuki Iwashima <kuniyu@...gle.com>
Cc: "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, 
	Neal Cardwell <ncardwell@...gle.com>, Paolo Abeni <pabeni@...hat.com>, 
	Willem de Bruijn <willemb@...gle.com>, Matthieu Baerts <matttbe@...nel.org>, 
	Mat Martineau <martineau@...nel.org>, Johannes Weiner <hannes@...xchg.org>, 
	Michal Hocko <mhocko@...nel.org>, Roman Gushchin <roman.gushchin@...ux.dev>, 
	Shakeel Butt <shakeel.butt@...ux.dev>, Andrew Morton <akpm@...ux-foundation.org>, 
	Simon Horman <horms@...nel.org>, Geliang Tang <geliang@...nel.org>, 
	Muchun Song <muchun.song@...ux.dev>, Kuniyuki Iwashima <kuni1840@...il.com>, netdev@...r.kernel.org, 
	mptcp@...ts.linux.dev, cgroups@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v1 net-next 07/13] net-memcg: Introduce mem_cgroup_sk_enabled().

On Mon, Jul 21, 2025 at 1:36 PM Kuniyuki Iwashima <kuniyu@...gle.com> wrote:
>
> 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@...gle.com>

Reviewed-by: Eric Dumazet <edumazet@...gle.com>