From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 17 May 2002 02:10:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 17 May 2002 02:10:05 -0400 Received: from ns.virtualhost.dk ([195.184.98.160]:62338 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id ; Fri, 17 May 2002 02:10:04 -0400 Date: Fri, 17 May 2002 08:09:55 +0200 From: Jens Axboe To: Sanket Rathi Cc: linux-kernel@vger.kernel.org Subject: Re: Bounce Buffer Patch Message-ID: <20020517060955.GS11948@suse.de> In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 17 2002, Sanket Rathi wrote: > I have read about bounce buffer and understand. > but from where i can get the code of that patch and how it internally > works. You mean the patch to avoid bounce buffering? Andrea has an uptodate version here: http://www.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.19pre8aa3/00_block-highmem-all-18b-11.gz In short, it does its magic by not relying on the virtual mapping of a given page. If you want more info than that, you'll have to ask more qualified questions. -- Jens Axboe