linux-kernel - Re: init's children list is long and slows reaping children.

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Message-ID: <461B47F5.6080804@garzik.org>
Date:	Tue, 10 Apr 2007 04:16:53 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Dave Jones <davej@...hat.com>, Jeff Garzik <jeff@...zik.org>,
	Robin Holt <holt@....com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Jack Steiner <steiner@...ricas.sgi.com>
Subject: Re: init's children list is long and slows reaping children.

Russell King wrote:
> Could probably be eliminated if we had some mechanism to spawn a helper
> thread to do some task as required which didn't block other helper
> threads until it completes.

kthread_run() should go that for you.  Creates a new thread with 
kthread_create(), and wakes it up immediately.  Goes away when you're 
done with it.

	Jeff


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