linux-kernel - Re: [PATCH] memcg: cleanup root memcg checks

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Message-ID: <YDa6CPuLBPwclYp6@cmpxchg.org>
Date:   Wed, 24 Feb 2021 15:41:44 -0500
From:   Johannes Weiner <hannes@...xchg.org>
To:     Shakeel Butt <shakeelb@...gle.com>
Cc:     Roman Gushchin <guro@...com>, Michal Hocko <mhocko@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        cgroups@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] memcg: cleanup root memcg checks

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@...gle.com>

Acked-by: Johannes Weiner <hannes@...xchg.org>