From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <484FBFB7.4070506@firstfloor.org> Date: Wed, 11 Jun 2008 14:06:15 +0200 From: Andi Kleen MIME-Version: 1.0 Subject: Re: [PATCH -mm 13/25] Noreclaim LRU Infrastructure References: <20080606180506.081f686a.akpm@linux-foundation.org> <20080608163413.08d46427@bree.surriel.com> <20080608135704.a4b0dbe1.akpm@linux-foundation.org> <20080608173244.0ac4ad9b@bree.surriel.com> <20080608162208.a2683a6c.akpm@linux-foundation.org> <20080608193420.2a9cc030@bree.surriel.com> <20080608165434.67c87e5c.akpm@linux-foundation.org> <20080610153702.4019e042@cuia.bos.redhat.com> <20080610143334.c53d7d8a.akpm@linux-foundation.org> <20080611050914.GA27488@linux-sh.org> <20080610231642.6b4b5a53.akpm@linux-foundation.org> In-Reply-To: <20080610231642.6b4b5a53.akpm@linux-foundation.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: Paul Mundt , Rik van Riel , clameter@sgi.com, linux-kernel@vger.kernel.org, lee.schermerhorn@hp.com, kosaki.motohiro@jp.fujitsu.com, linux-mm@kvack.org, eric.whitney@hp.com, Ingo Molnar , Andy Whitcroft List-ID: > Andi has suggested that we can remove the node-ID encoding from > page.flags on x86 because that info is available elsewhere, although a > bit more slowly. > > It would be just pfn_to_nid(page_pfn(page)) for 32bit && CONFIG_NUMA. -sh should have that too. Only trouble is that it needs some reordering because right now page_pfn is not defined early enough. > There wouldn't be much point in doing that unless we did it for all > 32-bit architectures. How much trouble would it cause sh? Probably very little from a quick look at the source. -Andi -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org