Re: [PATCH 3/6] cgroup: introduce cgroup_taskset and use it insubsys->can_attach(), cancel_attach() and attach()

[Paul Menage]

On Tue, Aug 23, 2011 at 3:19 PM, Tejun Heo <tj@xxxxxxxxxx> wrote:
> +Called prior to moving one or more tasks into a cgroup; if the
> +subsystem returns an error, this will abort the attach operation.
> +@tset contains the tasks to be attached and is guaranteed to have at
> +least one task in it. If there are multiple, it's guaranteed that all
> +are from the same thread group, @tset contains all tasks from the
> +group whether they're actually switching cgroup or not, and the first
> +task is the leader.

I'd reformat this a bit for clarity:

If there are multiple tasks in the taskset, then:
  - it's guaranteed that all are from the same thread group
  - @tset contains all tasks from the thread group whether or not
they're switching cgroup
  - the first task is the leader

Acked-by: Paul Menage <paul@xxxxxxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/