From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756552AbXIUKQ0 (ORCPT ); Fri, 21 Sep 2007 06:16:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753558AbXIUKQT (ORCPT ); Fri, 21 Sep 2007 06:16:19 -0400 Received: from smtp2.linux-foundation.org ([207.189.120.14]:33875 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750809AbXIUKQS (ORCPT ); Fri, 21 Sep 2007 06:16:18 -0400 Date: Fri, 21 Sep 2007 03:16:06 -0700 From: Andrew Morton To: travis@sgi.com Cc: Andi Kleen , Christoph Lameter , Jack Steiner , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/1] x86: Reduce Memory Usage for large CPU count systems v2 Message-Id: <20070921031606.055ab52e.akpm@linux-foundation.org> In-Reply-To: <20070920213004.527735000@sgi.com> References: <20070920213004.527735000@sgi.com> X-Mailer: Sylpheed 2.4.1 (GTK+ 2.8.17; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 20 Sep 2007 14:30:04 -0700 travis@sgi.com wrote: > Obviously, the IRQ arrays are of greater importance for > size reduction. Any suggestions, or threads I should read > are gratefully accecpted... ;-) hard. Convert them to a radix-tree I suppose. powerpc alrady does that but it open-codes it in some fashion. Don't look at it ;)