Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 2 Aug 2002 20:12:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 2 Aug 2002 20:12:00 -0400 Received: from garrincha.netbank.com.br ([200.203.199.88]:54281 "HELO garrincha.netbank.com.br") by vger.kernel.org with SMTP id ; Fri, 2 Aug 2002 20:11:59 -0400 Date: Fri, 2 Aug 2002 21:14:52 -0300 (BRT) From: Rik van Riel X-X-Sender: riel@imladris.surriel.com To: Andrew Morton cc: Daniel Phillips , Subject: Re: [PATCH] Rmap speedup In-Reply-To: <3D4AE995.DFD862EF@zip.com.au> Message-ID: X-spambait: aardvark@kernelnewbies.org X-spammeplease: aardvark@nl.linux.org 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: 952 Lines: 29 On Fri, 2 Aug 2002, Andrew Morton wrote: > Daniel Phillips wrote: > > > > This patch eliminates about 35% of the raw rmap setup/teardown overhead by > > adopting a new locking interface that allows the add_rmaps to be batched in > > copy_page_range. > > Well that's fairly straightforward, thanks. Butt-ugly though ;) It'd be nice if the code would be a bit more beautiful and the reverse mapping scheme more modular. Remember that we're planning to go to an object-based scheme later on, turning the code into a big monolithic mesh really makes long-term maintenance a pain... regards, Rik -- Bravely reimplemented by the knights who say "NIH". http://www.surriel.com/ http://distro.conectiva.com/ - 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/