Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261997AbVC1Stk (ORCPT ); Mon, 28 Mar 2005 13:49:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261995AbVC1Stk (ORCPT ); Mon, 28 Mar 2005 13:49:40 -0500 Received: from dsl027-180-174.sfo1.dsl.speakeasy.net ([216.27.180.174]:30918 "EHLO cheetah.davemloft.net") by vger.kernel.org with ESMTP id S261997AbVC1Ste (ORCPT ); Mon, 28 Mar 2005 13:49:34 -0500 Date: Mon, 28 Mar 2005 10:47:18 -0800 From: "David S. Miller" To: Russell King Cc: nickpiggin@yahoo.com.au, hugh@veritas.com, akpm@osdl.org, tony.luck@intel.com, benh@kernel.crashing.org, ak@suse.de, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/6] freepgt: free_pgtables shakeup Message-Id: <20050328104718.5e0bda7f.davem@davemloft.net> In-Reply-To: <20050328085136.A9847@flint.arm.linux.org.uk> References: <20050325212234.F12715@flint.arm.linux.org.uk> <4244C3B7.4020409@yahoo.com.au> <20050326113530.A12809@flint.arm.linux.org.uk> <424566E0.80001@yahoo.com.au> <20050326155254.E12809@flint.arm.linux.org.uk> <42462B7A.4080305@yahoo.com.au> <20050327085725.A30883@flint.arm.linux.org.uk> <20050327101739.48c843e1.davem@davemloft.net> <20050328085136.A9847@flint.arm.linux.org.uk> X-Mailer: Sylpheed version 1.0.4 (GTK+ 1.2.10; sparc-unknown-linux-gnu) X-Face: "_;p5u5aPsO,_Vsx"^v-pEq09'CU4&Dc1$fQExov$62l60cgCc%FnIwD=.UF^a>?5'9Kn[;433QFVV9M..2eN.@4ZWPGbdi<=?[:T>y?SD(R*-3It"Vj:)"dP 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: 624 Lines: 15 On Mon, 28 Mar 2005 08:51:36 +0100 Russell King wrote: > Why would I want to do this, given that decrementing mm->nr_ptes in > free_pgd_slow() would make it negative ? Am I missing something > obvious? You were saying there was no way to figure out which mm is assosociate a particular pgd, and I'm merely showing you how you can in fact do it. :-) - 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/