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Subject: Re: [PATCH 06/18] mm: memcontrol: prepare uncharging for removal of
 private page type counters
To:     Johannes Weiner <hannes@cmpxchg.org>,
        Joonsoo Kim <js1304@gmail.com>
Cc:     Shakeel Butt <shakeelb@google.com>,
        Hugh Dickins <hughd@google.com>,
        Michal Hocko <mhocko@suse.com>,
        "Kirill A. Shutemov" <kirill@shutemov.name>,
        Roman Gushchin <guro@fb.com>, linux-mm@kvack.org,
        cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
        kernel-team@fb.com
References: <20200420221126.341272-1-hannes@cmpxchg.org>
 <20200420221126.341272-7-hannes@cmpxchg.org>
From:   Alex Shi <alex.shi@linux.alibaba.com>
Message-ID: <20065063-d508-5bb9-572e-ebcb2e41cf85@linux.alibaba.com>
Date:   Tue, 21 Apr 2020 17:12:51 +0800
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?? 2020/4/21 ????6:11, Johannes Weiner д??:
> The uncharge batching code adds up the anon, file, kmem counts to
> determine the total number of pages to uncharge and references to
> drop. But the next patches will remove the anon and file counters.
> 
> Maintain an aggregate nr_pages in the uncharge_gather struct.
> 
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>

Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com>