Re: [PATCH 1/1] usermodehelper: kill ____call_usermodehelper()->set_cpus_allowed_ptr()

[Tejun Heo]

Hey, Oleg.

On Thu, Nov 28, 2013 at 08:33:49PM +0100, Oleg Nesterov wrote:
> @@ -208,13 +208,9 @@ static int ____call_usermodehelper(void *data)
>       spin_lock_irq(&current->sighand->siglock);
>       flush_signal_handlers(current, 1);
>       spin_unlock_irq(&current->sighand->siglock);
> -
> -     /* We can run anywhere, unlike our parent keventd(). */
> -     set_cpus_allowed_ptr(current, cpu_all_mask);

I don't think this is correct on numa machines where unbound workers
are NUMA-node affine by default.

Thanks.

-- 
tejun
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