Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761108AbXEVAjQ (ORCPT ); Mon, 21 May 2007 20:39:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755127AbXEVAjB (ORCPT ); Mon, 21 May 2007 20:39:01 -0400 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:34203 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755015AbXEVAjA (ORCPT ); Mon, 21 May 2007 20:39:00 -0400 Date: Mon, 21 May 2007 17:38:58 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: KAMEZAWA Hiroyuki cc: ak@suse.de, dada1@cosmosbay.com, wli@holomorphy.com, npiggin@suse.de, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org Subject: Re: [rfc] increase struct page size?! In-Reply-To: <20070522093050.0320d092.kamezawa.hiroyu@jp.fujitsu.com> Message-ID: References: <20070518040854.GA15654@wotan.suse.de> <464FCA28.9040009@cosmosbay.com> <200705201456.26283.ak@suse.de> <20070522093050.0320d092.kamezawa.hiroyu@jp.fujitsu.com> 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: 536 Lines: 16 On Tue, 22 May 2007, KAMEZAWA Hiroyuki wrote: > For i386(32bit arch), there is not enough space for vmemmap. I thought 32 bit would use flatmem? Is memory really sparse on 32 bit? Likely difficult due to lack of address space? > For 64bit arch, page flags are not exhausted yet. Right. - 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/