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Subject: Re: [PATCH] introduce task cgroup v2
From: Peter Zijlstra <peterz@infradead.org>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: containers@lists.osdl.org, LKML <linux-kernel@vger.kernel.org>,
       Li Zefan <lizf@cn.fujitsu.com>, Paul Menage <menage@google.com>,
       Andrew Morton <akpm@linux-foundation.org>
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Date: Mon, 16 Jun 2008 09:04:42 +0200
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On Mon, 2008-06-16 at 15:59 +0900, KOSAKI Motohiro wrote:
> Hi Peter,
> 
> > > # mount -t cgroup -o task none /dev/cgroup
> > > # mkdir /dev/cgroup/foo
> > > # cd /dev/cgroup/foo
> > > # ls 
> > > notify_on_release  task.max_tasks  task.nr_tasks  tasks
> > > # echo 100 > task.max_tasks
> > > # echo $$ > tasks
> > > # fork_bomb 1000 &  <- try create 1000 process
> > > # pgrep fork_bomb | wc -l
> > > 98
> > 
> > fwiw I think the name sucks!
> > cgroups are about grouping tasks, so what's a task cgroup?
> 
> Sorry, my english skill is very low.
> I hope restrict number of tasks.
> 
> Do you have any name idea?

Sadly I suck at naming too ;-(

perhaps task_limit controller, or nr_tasks controller.

We should preferably pick one that transfers to most other rlimit like
controls.