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

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Date:	Tue, 10 Apr 2007 08:44:23 +0100
From:	Russell King <rmk+lkml@....linux.org.uk>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	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.

On Mon, Apr 09, 2007 at 07:30:56PM -0700, Andrew Morton wrote:
> : root       319  0.0  0.0      0     0 ?        S    18:51   0:00 [pccardd]
> 
> hm.

One per PC card socket to avoid the sysfs locking crappyness that would
otherwise deadlock, and to convert from the old unreadable state machine
implementation to a much more readable linearly coded implementation.

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.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:
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