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From: Oleg Nesterov <oleg@redhat.com>
To: Aviv Vaknin <vaknins33@gmail.com>
Cc: Christian Brauner <brauner@kernel.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Pavel Tikhomirov <ptikhomirov@virtuozzo.com>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Bradley Morgan <brads@mainlining.org>,
	linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
	stable@vger.kernel.org
Subject: Re: [PATCH v2] pid_namespace: make zap_pid_ns_processes() freezable
Date: Sat, 3 Oct 2026 13:06:59 +0200	[thread overview]
Message-ID: <asDh0zBHEIWdto5x@redhat.com> (raw)
In-Reply-To: <20261002202820.3433318-1-vaknins33@gmail.com>

On 10/02, Aviv Vaknin wrote:
>
> --- a/kernel/exit.c
> +++ b/kernel/exit.c
> @@ -1751,7 +1751,7 @@ static long do_wait(struct wait_opts *wo)
>  	add_wait_queue(&current->signal->wait_chldexit, &wo->child_wait);
>  
>  	do {
> -		set_current_state(TASK_INTERRUPTIBLE);
> +		set_current_state(TASK_INTERRUPTIBLE | TASK_FREEZABLE);
>  		retval = __do_wait(wo);
>  		if (retval != -ERESTARTSYS)
>  			break;
> diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
> index 8bc9edb40..127a5fd23 100644
> --- a/kernel/pid_namespace.c
> +++ b/kernel/pid_namespace.c
> @@ -269,7 +269,7 @@ void zap_pid_ns_processes(struct pid_namespace *pid_ns)
>  	 * free_pid() will awaken this task.
>  	 */
>  	for (;;) {
> -		set_current_state(TASK_INTERRUPTIBLE);
> +		set_current_state(TASK_IDLE | TASK_FREEZABLE);
>  		if (pid_ns->pid_allocated == init_pids)
>  			break;
>  		schedule();

Thanks Aviv,

Acked-by: Oleg Nesterov <oleg@redhat.com>


      parent reply	other threads:[~2026-10-03 11:07 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-02 20:28 Aviv Vaknin
2026-10-02 20:30 ` Bradley Morgan
2026-10-03 11:06 ` Oleg Nesterov [this message]

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