linux-kernel - Re: [PATCH 06/18] mm: memcontrol: prepare uncharging for removal of private page type counters

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Message-ID: <20200422064106.GF6780@js1304-desktop>
Date:   Wed, 22 Apr 2020 15:41:07 +0900
From:   Joonsoo Kim <js1304@...il.com>
To:     Johannes Weiner <hannes@...xchg.org>
Cc:     Alex Shi <alex.shi@...ux.alibaba.com>,
        Shakeel Butt <shakeelb@...gle.com>,
        Hugh Dickins <hughd@...gle.com>,
        Michal Hocko <mhocko@...e.com>,
        "Kirill A. Shutemov" <kirill@...temov.name>,
        Roman Gushchin <guro@...com>, linux-mm@...ck.org,
        cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-team@...com
Subject: Re: [PATCH 06/18] mm: memcontrol: prepare uncharging for removal of
 private page type counters

On Mon, Apr 20, 2020 at 06:11:14PM -0400, Johannes Weiner wrote:
> 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@...xchg.org>

Reviewed-by: Joonsoo Kim <iamjoonsoo.kim@....com>