Re: [PATCH v10 0/3] Charge loop device i/o to issuing cgroup

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To: Shakeel Butt <shakeelb@xxxxxxxxxx>
Subject: Re: [PATCH v10 0/3] Charge loop device i/o to issuing cgroup
From: Dan Schatzberg <schatzberg.dan@xxxxxxxxx>
Date: Fri, 19 Mar 2021 12:27:55 -0400
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Tejun Heo <tj@xxxxxxxxxx>, Zefan Li <lizefan.x@xxxxxxxxxxxxx>, Johannes Weiner <hannes@xxxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxxxx>, Vladimir Davydov <vdavydov.dev@xxxxxxxxx>, Hugh Dickins <hughd@xxxxxxxxxx>, Roman Gushchin <guro@xxxxxx>, Muchun Song <songmuchun@xxxxxxxxxxxxx>, Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx>, Alexander Duyck <alexander.h.duyck@xxxxxxxxxxxxxxx>, Chris Down <chris@xxxxxxxxxxxxxx>, Yafang Shao <laoar.shao@xxxxxxxxx>, Wei Yang <richard.weiyang@xxxxxxxxx>, "open list:BLOCK LAYER" <linux-block@xxxxxxxxxxxxxxx>, open list <linux-kernel@xxxxxxxxxxxxxxx>, "open list:CONTROL GROUP (CGROUP)" <cgroups@xxxxxxxxxxxxxxx>, "open list:MEMORY MANAGEMENT" <linux-mm@xxxxxxxxx>
In-reply-to: <CALvZod7TyCb1c9iPYmf4aGiCgcb9fboRDXiChaYDCBQHii+J7A@mail.gmail.com>
References: <20210316153655.500806-1-schatzberg.dan@gmail.com> <7ca79335-026f-2511-2b58-0e9f32caa063@kernel.dk> <CALvZod6tvrZ_sj=BnM4baQepexwvOPREx3qe5ZJrmqftrqwBEA@mail.gmail.com> <8c32421c-4bd8-ec46-f1d0-25996956f4da@kernel.dk> <20210318164625.1018062b042e540bd83bb08e@linux-foundation.org> <CALvZod6FMQQC17Zsu9xoKs=dFWaJdMC2Qk3YiDPUUQHx8teLYg@mail.gmail.com> <YFTIepcb+qm/+/9d@dschatzberg-fedora-PC0Y6AEN.dhcp.thefacebook.com> <CALvZod7TyCb1c9iPYmf4aGiCgcb9fboRDXiChaYDCBQHii+J7A@mail.gmail.com>

On Fri, Mar 19, 2021 at 09:20:16AM -0700, Shakeel Butt wrote:
> One suggestion would be to make get_mem_cgroup_from_mm() more generic
> (i.e. handle !mm && active_memcg() case) and avoid
> get_mem_cgroup_from_current() as it might go away.

Yeah, that occurred to me as well. I'll take a stab at doing that.

References:
- [PATCH v10 0/3] Charge loop device i/o to issuing cgroup
  - From: Dan Schatzberg
- Re: [PATCH v10 0/3] Charge loop device i/o to issuing cgroup
  - From: Jens Axboe
- Re: [PATCH v10 0/3] Charge loop device i/o to issuing cgroup
  - From: Shakeel Butt
- Re: [PATCH v10 0/3] Charge loop device i/o to issuing cgroup
  - From: Jens Axboe
- Re: [PATCH v10 0/3] Charge loop device i/o to issuing cgroup
  - From: Andrew Morton
- Re: [PATCH v10 0/3] Charge loop device i/o to issuing cgroup
  - From: Shakeel Butt
- Re: [PATCH v10 0/3] Charge loop device i/o to issuing cgroup
  - From: Dan Schatzberg
- Re: [PATCH v10 0/3] Charge loop device i/o to issuing cgroup
  - From: Shakeel Butt

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