Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 23 Feb 2003 17:01:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 23 Feb 2003 17:01:22 -0500 Received: from holomorphy.com ([66.224.33.161]:60589 "EHLO holomorphy") by vger.kernel.org with ESMTP id ; Sun, 23 Feb 2003 17:01:21 -0500 Date: Sun, 23 Feb 2003 14:10:30 -0800 From: William Lee Irwin III To: "Martin J. Bligh" Cc: Linus Torvalds , linux-kernel@vger.kernel.org Subject: Re: pte-highmem vs UKVA (was: object-based rmap and pte-highmem) Message-ID: <20030223221030.GK10411@holomorphy.com> Mail-Followup-To: William Lee Irwin III , "Martin J. Bligh" , Linus Torvalds , linux-kernel@vger.kernel.org References: <22420000.1046038049@[10.10.2.4]> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <22420000.1046038049@[10.10.2.4]> User-Agent: Mutt/1.3.25i Organization: The Domain of Holomorphy Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 730 Lines: 16 On Sun, Feb 23, 2003 at 02:07:42PM -0800, Martin J. Bligh wrote: > Using UKVA for PTEs seems to be a better way to implement pte-highmem to me. > If you're walking another processes' pagetables, you just kmap them as now, > but I think this will avoid most of the kmap'ing (if we have space for two > sets of pagetables so we can do a little bit of trickery at fork time). Another term for "UKVA for pagetables only" is "recursive pagetables", if this helps clarify anything. -- wli - 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/