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From: Johannes Weiner <hannes@cmpxchg.org>
To: Dan Schatzberg <schatzberg.dan@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>, Tejun Heo <tj@kernel.org>,
	Li Zefan <lizefan@huawei.com>, Michal Hocko <mhocko@kernel.org>,
	Vladimir Davydov <vdavydov.dev@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Hugh Dickins <hughd@google.com>, Roman Gushchin <guro@fb.com>,
	Shakeel Butt <shakeelb@google.com>,
	Chris Down <chris@chrisdown.name>,
	Yang Shi <yang.shi@linux.alibaba.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	"open list:BLOCK LAYER" <linux-block@vger.kernel.org>,
	open list <linux-kernel@vger.kernel.org>,
	"open list:CONTROL GROUP (CGROUP)" <cgroups@vger.kernel.org>,
	"open list:CONTROL GROUP - MEMORY RESOURCE CONTROLLER (MEMCG)"
	<linux-mm@kvack.org>
Subject: Re: [PATCH v3 3/3] loop: Charge i/o to mem and blk cg
Date: Thu, 20 Feb 2020 17:02:38 -0500	[thread overview]
Message-ID: <20200220220238.GB68937@cmpxchg.org> (raw)
In-Reply-To: <78060dcbf6578b4da6081f9f48b24b33726c5083.1582216295.git.schatzberg.dan@gmail.com>

On Thu, Feb 20, 2020 at 11:51:53AM -0500, Dan Schatzberg wrote:
> The current code only associates with the existing blkcg when aio is
> used to access the backing file. This patch covers all types of i/o to
> the backing file and also associates the memcg so if the backing file is
> on tmpfs, memory is charged appropriately.
> 
> This patch also exports cgroup_get_e_css so it can be used by the loop
> module.
> 
> Signed-off-by: Dan Schatzberg <schatzberg.dan@gmail.com>

The cgroup bits look good to me.

Acked-by: Johannes Weiner <hannes@cmpxchg.org>


  reply	other threads:[~2020-02-20 22:02 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-20 16:51 [PATCH v3 0/3] Charge loop device i/o to issuing cgroup Dan Schatzberg
2020-02-20 16:51 ` [PATCH v3 1/3] loop: Use worker per cgroup instead of kworker Dan Schatzberg
2020-02-20 17:50   ` Johannes Weiner
2020-02-20 22:00   ` Johannes Weiner
2020-02-20 16:51 ` [PATCH v3 2/3] mm: Charge active memcg when no mm is set Dan Schatzberg
2020-02-20 18:14   ` Shakeel Butt
2020-02-20 21:03     ` Johannes Weiner
2020-02-20 21:14       ` Shakeel Butt
2020-02-20 18:35   ` Chris Down
2020-02-20 21:15   ` Shakeel Butt
2020-02-23 19:08   ` Hugh Dickins
2020-02-24  1:11     ` Hugh Dickins
2020-02-24 21:37       ` Dan Schatzberg
2020-02-20 16:51 ` [PATCH v3 3/3] loop: Charge i/o to mem and blk cg Dan Schatzberg
2020-02-20 22:02   ` Johannes Weiner [this message]
2020-02-24 22:17 [PATCH v3 0/3] Charge loop device i/o to issuing cgroup Dan Schatzberg
2020-02-24 22:17 ` [PATCH v3 3/3] loop: Charge i/o to mem and blk cg Dan Schatzberg

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