[PATCH v2 2/3] mutex: add support for reservation style locks, v2

[Peter Zijlstra]

On Thu, 2013-02-28 at 11:25 +0100, Maarten Lankhorst wrote:
> +struct ticket_mutex {
> +       struct mutex base;
> +       atomic_long_t reservation_id;
> +};

I'm not sure this is a good name, esp. due to the potential confusion
vs the ticket spinlocks we have.