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From: Tejun Heo <tj@kernel.org>
To: Binder Makin <merimus@google.com>
Cc: viro@zeniv.linux.org.uk, linux-kernel@vger.kernel.org,
	Daniel Jacobowitz <dmj@google.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Michal Hocko <mhocko@suse.cz>, Li Zefan <lizefan@huawei.com>,
	cgroups@vger.kernel.org
Subject: Re: [RFC] cgroups: Resource controller for open files.
Date: Wed, 2 Jul 2014 10:49:01 -0400	[thread overview]
Message-ID: <20140702144901.GC23275@htj.dyndns.org> (raw)
In-Reply-To: <CAANmLtwwbKBi+zZ01ywbeMnzu5a0UvqEz-_zHJLNtBVso2=ibg@mail.gmail.com>

Hello,

On Wed, Jul 02, 2014 at 10:46:59AM -0400, Binder Makin wrote:
> kmem keeps the cgroup from DOSing the machine but then you can get a ENOMEM
> out of some call which is trying to allocate kernel memory.
> People are used to limiting file handles from rlimits and the EMFILE is
> easier for them to debug/fix.

EMFILE instead of ENOMEM seems really thin as the sole rationale for a
whole new controller, doesn't it?

Thanks.

-- 
tejun

  parent reply	other threads:[~2014-07-02 14:49 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-02 14:30 Binder Makin
2014-07-02 14:33 ` Tejun Heo
     [not found]   ` <CAANmLtwwbKBi+zZ01ywbeMnzu5a0UvqEz-_zHJLNtBVso2=ibg@mail.gmail.com>
2014-07-02 14:49     ` Tejun Heo [this message]
     [not found]       ` <CAANmLtwQkwrfQK0QK5LZSGqw7Z2+L-CSC_5TuSko1QtYo8WFfQ@mail.gmail.com>
2014-07-02 15:02         ` Tejun Heo

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