Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756875AbXEUG2h (ORCPT ); Mon, 21 May 2007 02:28:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754339AbXEUG2a (ORCPT ); Mon, 21 May 2007 02:28:30 -0400 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:50336 "EHLO fgwmail6.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754082AbXEUG23 (ORCPT ); Mon, 21 May 2007 02:28:29 -0400 Date: Mon, 21 May 2007 15:28:30 +0900 From: KAMEZAWA Hiroyuki To: "Luck, Tony" Cc: clameter@sgi.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?! Message-Id: <20070521152830.a844d7ef.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <617E1C2C70743745A92448908E030B2A017BCA67@scsmsx411.amr.corp.intel.com> References: <617E1C2C70743745A92448908E030B2A017BCA67@scsmsx411.amr.corp.intel.com> Organization: Fujitsu X-Mailer: Sylpheed version 2.2.0 (GTK+ 2.6.10; i686-pc-mingw32) 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 Content-Length: 832 Lines: 26 On Fri, 18 May 2007 13:37:09 -0700 "Luck, Tony" wrote: > > I wonder if there are other uses for the free space? > > unsigned long moreflags; > > Nick and Hugh were just sparring over adding a couple (or perhaps 8) > flag bits. This would supply 64 new bits ... maybe that would keep > them happy for a few more years. > - page->zone free some flags bits and makes page_zone() simple. and software (fake) zone for memory control can be added ? or -page->some_memory_controler ? (I don't know whether resource controller people want this or not.) -Kame - 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/