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Date:	Thu, 20 Dec 2012 14:02:08 +0100
From:	Oleg Nesterov <>
To:	Neil Horman <>
Cc:	"Eric W. Biederman" <>,
	Pavel Emelyanov <>,
	Daniel Berrange <>,
	Alexander Viro <>,
	Serge Hallyn <>,
	Andrew Morton <>,
Subject: Re: +
	.patch added to -mm tree

On 12/19, Neil Horman wrote:
> On Wed, Dec 19, 2012 at 05:22:30PM +0100, Oleg Nesterov wrote:
> >
> I wouldn't worry about it.  After looking over the changes Eric just had merged
> for 3.8 I'm becomming more convinced that this isn't really needed anymore. With
> his changes, we can migrate a process between all available namespaces
> dynamically in user space.

Except pid_namespace. You still can't change it even with setns().

However setns(CLONE_NEWPID) + fork() creates the child in the target namespace,
probably this is enough for you.

> With that functionality we can just write a setns
> administrative utility to make this all work.



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