Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261256AbVBVVis (ORCPT ); Tue, 22 Feb 2005 16:38:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261261AbVBVVir (ORCPT ); Tue, 22 Feb 2005 16:38:47 -0500 Received: from vanessarodrigues.com ([192.139.46.150]:49640 "EHLO jaguar.mkp.net") by vger.kernel.org with ESMTP id S261256AbVBVVin (ORCPT ); Tue, 22 Feb 2005 16:38:43 -0500 To: Dave Hansen Cc: Andrew Morton , Matthew Wilcox , linux-ia64@vger.kernel.org, Linux Kernel Mailing List Subject: Re: [patch -mm series] ia64 specific /dev/mem handlers References: <16923.193.128608.607599@jaguar.mkp.net> <20050222020309.4289504c.akpm@osdl.org> <20050222175225.GK28741@parcelfarce.linux.theplanet.co.uk> <20050222112513.4162860d.akpm@osdl.org> <1109100938.25666.44.camel@localhost> From: Jes Sorensen Date: 22 Feb 2005 16:38:42 -0500 In-Reply-To: <1109100938.25666.44.camel@localhost> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 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: 822 Lines: 14 >>>>> "Dave" == Dave Hansen writes: Dave> I was talking with Nigel Cunningham about doing something a Dave> little different from the classic page flag bits when the number Dave> of users is restricted and performance isn't ultra-critical. Dave> Would something like this work for you, instead of using a real Dave> page->flags bit for PG_cached? Just took a quick look at this and it looks a bit heavy for our use. We are only looking at a small number of pages. However I could imagine future cases where performance may be more critical. Cheers, Jes - 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/