linux-kernel - Re: [PATCH] new cgroup controller "fork"

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Message-ID: <CAFLxGvzRG_zgG_4ym9CkTOr3kNzNb6zb553kgdy3jCeJSxAP9Q@mail.gmail.com>
Date:	Thu, 3 Nov 2011 18:31:23 +0100
From:	richard -rw- weinberger <richard.weinberger@...il.com>
To:	Max Kellermann <mk@...all.com>
Cc:	linux-kernel@...r.kernel.org,
	containers@...ts.linux-foundation.org, max@...mpel.org,
	menage@...gle.com
Subject: Re: [PATCH] new cgroup controller "fork"

On Thu, Nov 3, 2011 at 5:22 PM, Max Kellermann <mk@...all.com> wrote:
> +struct cgroup_fork {
> +       struct cgroup_subsys_state css;
> +
> +       /** protect the "remaining" attribute */
> +       spinlock_t lock;
> +
> +       /**
> +        * The remaining number of forks allowed.  -1 is the magic
> +        * value for "unlimited".
> +        */
> +       int remaining;
> +};

Wouldn't an atomic_t also do it?

-- 
Thanks,
//richard
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