Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932165AbWIVTKZ (ORCPT ); Fri, 22 Sep 2006 15:10:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932171AbWIVTKZ (ORCPT ); Fri, 22 Sep 2006 15:10:25 -0400 Received: from mx4.cs.washington.edu ([128.208.4.190]:56737 "EHLO mx4.cs.washington.edu") by vger.kernel.org with ESMTP id S932169AbWIVTKX (ORCPT ); Fri, 22 Sep 2006 15:10:23 -0400 Date: Fri, 22 Sep 2006 12:10:10 -0700 (PDT) From: David Rientjes To: Christoph Lameter cc: Andrew Morton , KAMEZAWA Hiroyuki , kmannth@us.ibm.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] do not free non slab allocated per_cpu_pageset In-Reply-To: Message-ID: References: <1158884252.5657.38.camel@keithlap> <20060921174134.4e0d30f2.akpm@osdl.org> <1158888843.5657.44.camel@keithlap> <20060922112427.d5f3aef6.kamezawa.hiroyu@jp.fujitsu.com> <20060921200806.523ce0b2.akpm@osdl.org> <20060922123045.d7258e13.kamezawa.hiroyu@jp.fujitsu.com> <20060921204629.49caa95f.akpm@osdl.org> <20060922113924.014ce28f.akpm@osdl.org> <20060922115646.fd1040e8.akpm@osdl.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 681 Lines: 17 On Fri, 22 Sep 2006, Christoph Lameter wrote: > The pcps must be usable during process_zones() for NUMA bootstrap. > As far as I recall: A cpu is booted with the static arrays and later > process_zones is replacing the references to the static arrays. > Yes, they are replaced as soon as the slab allocator is up. So all we need is to prevent static pcp's from being free'd since they haven't yet matured to being slab. David - 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/