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

[Daniel Vacek]

> 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);
>  }
>  
>  /*