Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266459AbUJMI4i (ORCPT ); Wed, 13 Oct 2004 04:56:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265900AbUJMI4f (ORCPT ); Wed, 13 Oct 2004 04:56:35 -0400 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:48785 "EHLO fgwmail5.fujitsu.co.jp") by vger.kernel.org with ESMTP id S266459AbUJMI4c (ORCPT ); Wed, 13 Oct 2004 04:56:32 -0400 Date: Wed, 13 Oct 2004 18:02:06 +0900 From: Hiroyuki KAMEZAWA Subject: Re: bug in 2.6.9-rc4-mm1 ia64/mm/init.c In-reply-to: <16748.60002.875945.950324@napali.hpl.hp.com> To: davidm@hpl.hp.com Cc: akepner@sgi.com, linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org, akpm@osdl.org, jbarnes@sgi.com Message-id: <416CEF0E.1060406@jp.fujitsu.com> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii; format=flowed Content-transfer-encoding: 7bit X-Accept-Language: en-us, en User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.3) Gecko/20040910 References: <16748.57721.66330.638048@napali.hpl.hp.com> <416CEADA.2060207@jp.fujitsu.com> <16748.60002.875945.950324@napali.hpl.hp.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 807 Lines: 25 David Mosberger wrote: >>>>>>On Wed, 13 Oct 2004 17:44:10 +0900, Hiroyuki KAMEZAWA said: > > > Hiroyuki> My purpose was to reduce # of page fault when > Hiroyuki> ia64_pfn_valid() is called. It is called heavily in > Hiroyuki> bad_range() (in mm/page_alloc.c) now. > > At the expense of ignoring perfectly good memory? Or did I miss something? > > --david Am I ignoring some good memory ? I think GRANULEROUNDDOWN(start)/GRANULEROUNDUP(end) only expand valid pfn range, do I misunderstanding something ? -- 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/