Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261351AbVC0SUC (ORCPT ); Sun, 27 Mar 2005 13:20:02 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261338AbVC0SUC (ORCPT ); Sun, 27 Mar 2005 13:20:02 -0500 Received: from dsl027-180-174.sfo1.dsl.speakeasy.net ([216.27.180.174]:19163 "EHLO cheetah.davemloft.net") by vger.kernel.org with ESMTP id S261351AbVC0STc (ORCPT ); Sun, 27 Mar 2005 13:19:32 -0500 Date: Sun, 27 Mar 2005 10:17:39 -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: <20050327101739.48c843e1.davem@davemloft.net> In-Reply-To: <20050327085725.A30883@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> 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: 713 Lines: 17 On Sun, 27 Mar 2005 08:57:25 +0100 Russell King wrote: > Unfortunately not - free_pgd_slow doesn't have any knowledge about the > mm_struct that the pgd was associated with. You could store the mm pointer in the page struct of the pgd, we used to that before set_pte_at() existed on sparc64 and ppc64 for pte level tables. page->mapping and page->index are basically free game for tracking information assosciated with page table chunks. - 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/