Re: [PATCH 2/2] sched/autogroup: a zombie thread must not use autogroup->tg

[Oleg Nesterov]

On 11/14, Oleg Nesterov wrote:
>
> +void sched_autogroup_exit_task(struct task_struct *p)
> +{
> +	/*
> +	 * We are going to call exit_notify() and autogroup_move_group() can't
> +	 * see this thread after that: we can no longer use signal->autogroup.
> +	 * See the PF_EXITING check in task_wants_autogroup().
> +	 */
> +	sched_move_task(p);

We only need it if task_group_is_autogroup(task_group(p)) but then this code
will need even more comments, lets keep it simple.

Oleg.