From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030463AbXDJIRU (ORCPT ); Tue, 10 Apr 2007 04:17:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030474AbXDJIRT (ORCPT ); Tue, 10 Apr 2007 04:17:19 -0400 Received: from srv5.dvmed.net ([207.36.208.214]:33597 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030463AbXDJIRR (ORCPT ); Tue, 10 Apr 2007 04:17:17 -0400 Message-ID: <461B47F5.6080804@garzik.org> Date: Tue, 10 Apr 2007 04:16:53 -0400 From: Jeff Garzik User-Agent: Thunderbird 1.5.0.10 (X11/20070302) MIME-Version: 1.0 To: Andrew Morton , Dave Jones , Jeff Garzik , Robin Holt , "Eric W. Biederman" , Ingo Molnar , Linus Torvalds , linux-kernel@vger.kernel.org, Jack Steiner Subject: Re: init's children list is long and slows reaping children. References: <20070405195118.GH22762@lnx-holt.americas.sgi.com> <4616CBF0.7090606@garzik.org> <20070409172339.48d661d6.akpm@linux-foundation.org> <20070410015912.GE1994@redhat.com> <20070409193056.6b52c354.akpm@linux-foundation.org> <20070410074422.GA30507@flint.arm.linux.org.uk> In-Reply-To: <20070410074422.GA30507@flint.arm.linux.org.uk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.3 (----) X-Spam-Report: SpamAssassin version 3.1.8 on srv5.dvmed.net summary: Content analysis details: (-4.3 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 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