Re: [resend RFC 1/3] pid: introduce task_by_pid()

[Tejun Heo]

On Mon, Jan 24, 2022 at 11:52:45AM +0100, Christian Brauner wrote:
> We have a lot of places that open code
> 
> if (who)
>         p = find_task_by_vpid(who);
> else
>         p = current;
> 
> Introduce a simpler helper which can be used instead.
> 
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: Jens Axboe <axboe@xxxxxxxxx>
> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> Cc: Juri Lelli <juri.lelli@xxxxxxxxxx>
> Cc: Vincent Guittot <vincent.guittot@xxxxxxxxxx>
> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
> Cc: Daniel Bristot de Oliveira <bristot@xxxxxxxxxx>
> Cc: Tejun Heo <tj@xxxxxxxxxx>
> Cc: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx>

For cgroup part:

Acked-by: Tejun Heo <tj@xxxxxxxxxx>

Thanks.

-- 
tejun