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Subject: Re: [PATCH] mm: memcontrol: use mem_cgroup_is_root() helper
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From:   Muchun Song <muchun.song@linux.dev>
In-Reply-To: <20220930134433.338103-1-kamalesh.babulal@oracle.com>
Date:   Sun, 2 Oct 2022 11:45:19 +0800
Cc:     Johannes Weiner <hannes@cmpxchg.org>,
        Michal Hocko <mhocko@kernel.org>,
        Roman Gushchin <roman.gushchin@linux.dev>,
        Shakeel Butt <shakeelb@google.com>,
        Muchun Song <songmuchun@bytedance.com>,
        Tom Hromatka <tom.hromatka@oracle.com>,
        cgroups@vger.kernel.org, Linux MM <linux-mm@kvack.org>,
        linux-kernel@vger.kernel.org
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References: <20220930134433.338103-1-kamalesh.babulal@oracle.com>
To:     Kamalesh Babulal <kamalesh.babulal@oracle.com>
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> On Sep 30, 2022, at 21:44, Kamalesh Babulal =
<kamalesh.babulal@oracle.com> wrote:
>=20
> Replace the checks for memcg is root memcg, with mem_cgroup_is_root()
> helper.
>=20
> Signed-off-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>

Reviewed-by: Muchun Song <songmuchun@bytedance.com>

Thanks.