Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964960AbVIOTSU (ORCPT ); Thu, 15 Sep 2005 15:18:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964963AbVIOTSU (ORCPT ); Thu, 15 Sep 2005 15:18:20 -0400 Received: from omx3-ext.sgi.com ([192.48.171.20]:8611 "EHLO omx3.sgi.com") by vger.kernel.org with ESMTP id S964960AbVIOTSU (ORCPT ); Thu, 15 Sep 2005 15:18:20 -0400 Date: Thu, 15 Sep 2005 12:18:05 -0700 From: Paul Jackson To: Paul Jackson Cc: zippel@linux-m68k.org, akpm@osdl.org, torvalds@osdl.org, Simon.Derr@bull.net, linux-kernel@vger.kernel.org, nikita@clusterfs.com Subject: Re: [PATCH] cpuset semaphore depth check optimize Message-Id: <20050915121805.66bfdcc9.pj@sgi.com> In-Reply-To: <20050915104535.6058bbda.pj@sgi.com> References: <20050912113030.15934.9433.sendpatchset@jackhammer.engr.sgi.com> <20050912043943.5795d8f8.akpm@osdl.org> <20050912075155.3854b6e3.pj@sgi.com> <20050912153135.3812d8e2.pj@sgi.com> <20050913103724.19ac5efa.pj@sgi.com> <20050914124642.1b19dd73.pj@sgi.com> <20050915104535.6058bbda.pj@sgi.com> Organization: SGI X-Mailer: Sylpheed version 2.0.0beta5 (GTK+ 2.4.9; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 714 Lines: 18 Paul wrote: > if per chance the cs->count was one, then for an instant no other task > was using this cpuset, and it had no children. Correction - a count of one means no other tasks using, period. As you well know, whether there are children or not depends on the state of the cpuset->children list. -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson 1.925.600.0401 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/