Re: [PATCH v2] kernel/fork: fix CLONE_CHILD_CLEARTID regression in nscd

[Oleg Nesterov]

On 08/24, Michal Hocko wrote:
>
> Sounds better?
> diff --git a/kernel/fork.c b/kernel/fork.c
> index b89f0eb99f0a..ddde5849df81 100644
> --- a/kernel/fork.c
> +++ b/kernel/fork.c
> @@ -914,7 +914,8 @@ void mm_release(struct task_struct *tsk, struct mm_struct *mm)
>  
>  	/*
>  	 * Signal userspace if we're not exiting with a core dump
> -	 * or a killed vfork parent which shouldn't touch this mm.
> +	 * because we want to leave the value intact for debugging
> +	 * purposes.
>  	 */
>  	if (tsk->clear_child_tid) {
>  		if (!(tsk->signal->flags & SIGNAL_GROUP_COREDUMP) &&

Yes, thanks Michal!

Acked-by: Oleg Nesterov <oleg@xxxxxxxxxx>