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Date: Wed, 7 Jan 2015 17:45:11 -0500 From: Tejun Heo <tj@...nel.org> To: "Eric W. Biederman" <ebiederm@...ssion.com> Cc: "Serge E. Hallyn" <serge@...lyn.com>, Richard Weinberger <richard@....at>, Linux API <linux-api@...r.kernel.org>, Linux Containers <containers@...ts.linux-foundation.org>, Serge Hallyn <serge.hallyn@...ntu.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Andy Lutomirski <luto@...capital.net>, cgroups mailinglist <cgroups@...r.kernel.org>, Ingo Molnar <mingo@...hat.com> Subject: Re: [PATCHv3 8/8] cgroup: Add documentation for cgroup namespaces On Wed, Jan 07, 2015 at 04:14:40PM -0600, Eric W. Biederman wrote: > I see what you mean. If it is indeed the case than a mount of cgroupfs > using the unified hiearchy and can not specify which controllers are > present under that mount that very significant bug and presents a very > significant regression in user space flexibility. The parent always controls which controllers are made available at the children level. Only if the parent enables a controller, its children, whether they're namespaces or not, can choose to further distribute resources using that controller. It's a straight-forward top-down thing. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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