Re: [tip:locking/core] sched/wake_q: Reduce reference counting for special users

Daniel Vacek
2019-02-12T14:14:51Z

> diff --git a/kernel/futex.c b/kernel/futex.c
> index 69e619baf709..2abe1a0b3062 100644
> --- a/kernel/futex.c
> +++ b/kernel/futex.c
> @@ -1463,8 +1463,7 @@ static void mark_wake_futex(struct wake_q_head *wake_q, struct futex_q *q)
> * Queue the task for later wakeup for after we've released
> * the hb->lock. wake_q_add() grabs reference to p.

Should this comment be fixed as well?

--nX

> */
> - wake_q_add(wake_q, p);
> - put_task_struct(p);
> + wake_q_add_safe(wake_q, p);
> }
>
> /*