Re: [PATCH] proc_oom_score: remove tasklist_lock and pid_alive()

[David Rientjes]

On Wed, 8 Jun 2016, Oleg Nesterov wrote:

> This was needed before to ensure that ->signal != 0 and do_each_thread()
> is safe, see the commit b95c35e76b29b for details.
> 
> Today tsk->signal can't go away and for_each_thread(tsk) is always safe.
> 
> Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>