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Date:   Sat, 7 Aug 2021 11:56:25 -0700
From:   Andrew Morton <akpm@linux-foundation.org>
To:     Miaohe Lin <linmiaohe@huawei.com>
Cc:     <hannes@cmpxchg.org>, <mhocko@kernel.org>,
        <vdavydov.dev@gmail.com>, <shakeelb@google.com>, <guro@fb.com>,
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        <alexs@kernel.org>, <richard.weiyang@gmail.com>,
        <linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>,
        <cgroups@vger.kernel.org>
Subject: Re: [PATCH v2 3/3] mm, memcg: get rid of percpu_charge_mutex lock
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On Sat, 7 Aug 2021 16:28:35 +0800 Miaohe Lin <linmiaohe@huawei.com> wrote:

> We should get rid of percpu_charge_mutex lock as Johannes Weiner said,

I'll skip this one for now - it all seems rather uncertain.