Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
MIME-Version: 1.0
References: <20210421070059.69361-1-songmuchun@bytedance.com>
 <CAMZfGtUiKcM8WmP88J3K5edwLhJhsUkAUQo6rnkqx4BBOEY2SA@mail.gmail.com>
 <34366052-8A39-4E8E-A076-8B64AB4D015D@fb.com> <CAMZfGtXC_UG9gUD58ezL02a+Gyry_d7WfEwKup6UMQjvNi3HdQ@mail.gmail.com>
 <YK01SgD7sFeviDGv@carbon.dhcp.thefacebook.com>
In-Reply-To: <YK01SgD7sFeviDGv@carbon.dhcp.thefacebook.com>
From:   Muchun Song <songmuchun@bytedance.com>
Date:   Wed, 26 May 2021 10:41:11 +0800
Message-ID: <CAMZfGtWgCyK+W9PMSFzyuPBvBzeKZRE5t7vKzgUQK3bj0NVi9g@mail.gmail.com>
Subject: Re: [External] Re: [RFC PATCH v3 00/12] Use obj_cgroup APIs to charge
 the LRU pages
To:     Roman Gushchin <guro@fb.com>
Cc:     Johannes Weiner <hannes@cmpxchg.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Linux Memory Management List <linux-mm@kvack.org>,
        Vladimir Davydov <vdavydov.dev@gmail.com>,
        Shakeel Butt <shakeelb@google.com>,
        Xiongchun duan <duanxiongchun@bytedance.com>,
        "fam.zheng@bytedance.com" <fam.zheng@bytedance.com>,
        "Singh, Balbir" <bsingharora@gmail.com>,
        Yang Shi <shy828301@gmail.com>,
        Alex Shi <alex.shi@linux.alibaba.com>,
        Michal Hocko <mhocko@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Precedence: bulk

On Wed, May 26, 2021 at 1:35 AM Roman Gushchin <guro@fb.com> wrote:
>
> On Thu, May 20, 2021 at 11:20:47AM +0800, Muchun Song wrote:
> > On Tue, May 18, 2021 at 10:17 PM Roman Gushchin <guro@fb.com> wrote:
> > >
> > > Hi Muchun!
> > >
> > > It looks like the writeback problem will be solved in a different way=
, which will not require generalization of the obj_cgroup api to the cgroup=
 level. It=E2=80=99s not fully confirmed yet though. We still might wanna d=
o this generalization lingn-term, but as now I have no objections for conti=
nuing the work on your patchset. I=E2=80=99m on pto this week, but will tak=
e a deeper look at your patches early next week. Sorry for the delay.
> >
> > Waiting on your review. Thanks Roman.
>
> It looks like the mm tree went ahead and I can't clearly apply the whole =
patchset.
> Would you mind to rebase it and resend?

Got it. Will do that. Thanks.

>
> Thank you!