linux-kernel - Re: [PATCH] kthread: Don't looking for a task in create

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Date:	Tue, 20 Jan 2009 17:16:34 +0300
From:	Vitaliy Gusev <vgusev@...nvz.org>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Hellwig <hch@....de>, linux-kernel@...r.kernel.org,
	Pavel Emelyanov <xemul@...nvz.org>
Subject: Re: [PATCH] kthread: Don't looking for a task in create_kthread() #2

On 20 January 2009 15:06:42 Oleg Nesterov wrote:
> On 01/20, Vitaliy Gusev wrote:
> >
> > Remove the unnecessary find_task_by_pid_ns(). kthread() can just
> > use "current" to get the same result.
> 
> I think the patch is nice and correct.
> 
> 
> 
> BTW. Perhaps it also makes sense to move sched_setscheduler/etc code
> from create_kthread() to kthread_create(), what do you think?

I don't thinks so. create_kthread() is executed in kthreadd process and 
sched_setscheduler/etc preparation things are reflected to kthreadd's CPU usage.
In other words it is a kthreadd matter, start and setup a thread.

> 
> (of course, this needs another patch)
> 
> Oleg.
> 
> 



-- 
Thank,
Vitaliy Gusev
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