linux-kernel - Re: [RFC/RFT PATCH v3] sched: automated per tty task groups

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Message-ID: <AANLkTim3g4uOJxUzRJqQ67zf-iZ2MXVib0JW3=zLBKGg@mail.gmail.com>
Date:	Fri, 19 Nov 2010 12:38:09 -0800
From:	Paul Menage <menage@...gle.com>
To:	Ben Gamari <bgamari.foss@...il.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	David Miller <davem@...emloft.net>, mzxreary@...inter.de,
	tytso@....edu, a.p.zijlstra@...llo.nl, debiandev@...il.com,
	alan@...rguk.ukuu.org.uk, dhaval.giani@...il.com, efault@....de,
	vgoyal@...hat.com, oleg@...hat.com, markus@...ppelsdorf.de,
	mathieu.desnoyers@...icios.com, mingo@...e.hu,
	linux-kernel@...r.kernel.org, balbir@...ux.vnet.ibm.com
Subject: Re: [RFC/RFT PATCH v3] sched: automated per tty task groups

On Fri, Nov 19, 2010 at 11:12 AM, Ben Gamari <bgamari.foss@...il.com> wrote:
> On that note, is there a good reason why the notify_on_release interface
> works the way it does? Wouldn't it be simpler if the cgroup simply
> provided a file on which a process (e.g. systemd) could block?

Backwards-compatibility with cpusets, which is what cgroups evolved from.

A delete_on_release option would be possible too, for the cases where
there's really no entity that wants to do more than simply delete the
group in question.

Paul
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