From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail6.bemta7.messagelabs.com (mail6.bemta7.messagelabs.com [216.82.255.55]) by kanga.kvack.org (Postfix) with ESMTP id 4C2836B0082 for ; Thu, 16 Jun 2011 12:51:53 -0400 (EDT) Date: Thu, 16 Jun 2011 17:51:46 +0100 From: Mel Gorman Subject: Re: mmotm 2011-06-15-16-56 uploaded (mm/page_cgroup.c) Message-ID: <20110616165146.GB5244@suse.de> References: <201106160034.p5G0Y4dr028904@imap1.linux-foundation.org> <20110615214917.a7dce8e6.randy.dunlap@oracle.com> <20110616172819.1e2d325c.kamezawa.hiroyu@jp.fujitsu.com> <20110616103559.GA5244@suse.de> <1308241542.11430.119.camel@nimitz> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <1308241542.11430.119.camel@nimitz> Sender: owner-linux-mm@kvack.org List-ID: To: Dave Hansen Cc: KAMEZAWA Hiroyuki , Randy Dunlap , linux-kernel@vger.kernel.org, akpm@linux-foundation.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org On Thu, Jun 16, 2011 at 09:25:42AM -0700, Dave Hansen wrote: > On Thu, 2011-06-16 at 11:35 +0100, Mel Gorman wrote: > > > This patch removes definitions of node_start/end_pfn() in each archs > > > and defines a unified one in linux/mmzone.h. It's not under > > > CONFIG_NEED_MULTIPLE_NODES, now. > > > > Does anyone remember *why* this did not happen in the first place? I > > can't think of a good reason so I've cc'd Dave Hansen as he might > > remember. > > You mean why it's not under CONFIG_NEED_MULTIPLE_NODES? I'd guess it's > just because it keeps working in all configurations since the > pg_data_t->node_*_pfn entries are defined everywhere. > > Is that what you're asking? > No, why was node_start_pfn() and node_end_pfn() defined optionally on a per-architecture basis? -- Mel Gorman SUSE Labs -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org