Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754872AbYC1Ah4 (ORCPT ); Thu, 27 Mar 2008 20:37:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753205AbYC1Ahr (ORCPT ); Thu, 27 Mar 2008 20:37:47 -0400 Received: from relay2.sgi.com ([192.48.171.30]:38767 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753105AbYC1Ahr (ORCPT ); Thu, 27 Mar 2008 20:37:47 -0400 Date: Thu, 27 Mar 2008 17:35:42 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Jeremy Fitzhardinge cc: Ingo Molnar , LKML , Rusty Russell , KAMEZAWA Hiroyuki , Yasunori Goto , Dave Hansen , Andrew Morton Subject: Re: [PATCH 3 of 4] sparsemem: reduce i386 PAE section size In-Reply-To: Message-ID: References: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 611 Lines: 14 On Thu, 27 Mar 2008, Jeremy Fitzhardinge wrote: > A 1G section size makes memory hotplug too coarse in a virtual > environment. Retuce it by a factor of 2 to 512M. I would have liked > to make it smaller, but it runs out of reserved flags in the page flags. There are patches in mm which changes that situation. You should have 5 or 6 more flags to play with. -- 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/