Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758777AbXIQWFb (ORCPT ); Mon, 17 Sep 2007 18:05:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756600AbXIQWFW (ORCPT ); Mon, 17 Sep 2007 18:05:22 -0400 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:33904 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754421AbXIQWFU (ORCPT ); Mon, 17 Sep 2007 18:05:20 -0400 Date: Mon, 17 Sep 2007 15:05:18 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Nick Piggin cc: Mel Gorman , andrea@suse.de, torvalds@linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Christoph Hellwig , Mel Gorman , William Lee Irwin III , David Chinner , Jens Axboe , Badari Pulavarty , Maxim Levitsky , Fengguang Wu , swin wang , totty.lu@gmail.com, hugh@veritas.com, joern@lazybastard.org Subject: Re: [00/41] Large Blocksize Support V7 (adds memmap support) In-Reply-To: <200709161822.47879.nickpiggin@yahoo.com.au> Message-ID: References: <20070911060349.993975297@sgi.com> <200709140651.30735.nickpiggin@yahoo.com.au> <200709161822.47879.nickpiggin@yahoo.com.au> 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: 881 Lines: 21 On Sun, 16 Sep 2007, Nick Piggin wrote: > > > fsblock doesn't need any of those hacks, of course. > > > > Nor does mine for the low orders that we are considering. For order > > > MAX_ORDER this is unavoidable since the page allocator cannot manage such > > large pages. It can be used for lower order if there are issues (that I > > have not seen yet). > > Or we can just avoid all doubt (and doesn't have arbitrary limitations > according to what you think might be reasonable or how well the > system actually behaves). We can avoid all doubt in this patchset as well by adding support for fallback to a vmalloced compound page. - 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/