From: Tejun Heo <tj@kernel.org>
To: Li Zefan <lizefan@huawei.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
Cgroups <cgroups@vger.kernel.org>, Michal Hocko <mhocko@suse.cz>,
Johannes Weiner <hannes@cmpxchg.org>
Subject: Re: [PATCH] cgroup: disallow disabled controllers on the default hierarchy
Date: Thu, 5 Jun 2014 09:53:29 -0400 [thread overview]
Message-ID: <20140605135329.GB21607@htj.dyndns.org> (raw)
In-Reply-To: <5390356E.70305@huawei.com>
On Thu, Jun 05, 2014 at 05:16:30PM +0800, Li Zefan wrote:
> After booting with cgroup_disable=memory, I still saw memcg files
> in the default hierarchy, and I can write to them, though it won't
> take effect.
>
> # dmesg
> ...
> Disabling memory control group subsystem
> ...
> # mount -t cgroup -o __DEVEL__sane_behavior xxx /cgroup
> # ls /cgroup
> ...
> memory.failcnt memory.move_charge_at_immigrate
> memory.force_empty memory.numa_stat
> memory.limit_in_bytes memory.oom_control
> ...
> # cat /cgroup/memory.usage_in_bytes
> 0
>
> Signed-off-by: Li Zefan <lizefan@huawei.com>
Applied to cgroup/for-3.16 w/ minor comment update.
Thanks.
--
tejun
prev parent reply other threads:[~2014-06-05 13:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-05 9:16 Li Zefan
2014-06-05 13:53 ` Tejun Heo [this message]
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