linux-kernel - Re: [PATCH 1/9] [RFC] Support named cgroups hierarchies

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Date:	Thu, 2 Jul 2009 10:24:04 +0200
From:	Louis Rilling <Louis.Rilling@...labs.com>
To:	Paul Menage <menage@...gle.com>
Cc:	lizf@...fujitsu.com, balbir@...ux.vnet.ibm.com,
	containers@...ts.linux-foundation.org, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/9] [RFC] Support named cgroups hierarchies

On Thu, Jul 02, 2009 at 01:19:30AM -0700, Paul Menage wrote:
> On Thu, Jul 2, 2009 at 1:09 AM, Louis Rilling<Louis.Rilling@...labs.com> wrote:
> >
> > I did not see anything preventing two hierarchies from having the same
> > (non empty) name.
> 
> If you try to mount with a name that matches an already existing
> hierarchy, and you leave the subsystem options empty or give options
> that match the existing mount, then you get the original mount; if you
> specify conflicting options you get an error. I don't think the code
> will let you have two hierarchies with the same non-empty name.

Ah, true. Don't know why I concluded that, even after having read the
relevant portion of the code.
Sorry for the noise.

Louis

-- 
Dr Louis Rilling			Kerlabs
Skype: louis.rilling			Batiment Germanium
Phone: (+33|0) 6 80 89 08 23		80 avenue des Buttes de Coesmes
http://www.kerlabs.com/			35700 Rennes

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