linux-kernel - Re: [RFC 1/5] user namespaces: Add a user_namespace as creator/owner of uts

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Date:	Fri, 17 Dec 2010 17:56:51 +0200
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	"Serge E. Hallyn" <serge@...lyn.com>
Cc:	LSM <linux-security-module@...r.kernel.org>,
	James Morris <jmorris@...ei.org>,
	Kees Cook <kees.cook@...onical.com>,
	containers@...ts.linux-foundation.org,
	kernel list <linux-kernel@...r.kernel.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Michael Kerrisk <michael.kerrisk@...il.com>
Subject: Re: [RFC 1/5] user namespaces: Add a user_namespace as creator/owner
 of uts_namespace

On Fri, Dec 17, 2010 at 5:24 PM, Serge E. Hallyn <serge@...lyn.com> wrote:
> +/*
> + * userns count is 1 for root user, 1 for init_uts_ns,
> + * and 1 for... ?
> + */
>  struct user_namespace init_user_ns = {
>        .kref = {
> -               .refcount       = ATOMIC_INIT(2),
> +               .refcount       = ATOMIC_INIT(3),

+1 is for init_nsproxy ;-)
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