From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 11/35] lmb: Add find_memory_core_early() Date: Fri, 14 May 2010 01:30:12 -0700 (PDT) Message-ID: <20100514.013012.13730149.davem@davemloft.net> References: <1273804238.21352.389.camel@pasglop> <4BECF00D.6080800@oracle.com> <1273825187.21352.590.camel@pasglop> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:57920 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754271Ab0ENIaH (ORCPT ); Fri, 14 May 2010 04:30:07 -0400 In-Reply-To: <1273825187.21352.590.camel@pasglop> Sender: linux-arch-owner@vger.kernel.org List-ID: To: benh@kernel.crashing.org Cc: yinghai.lu@oracle.com, mingo@elte.hu, tglx@linutronix.de, hpa@zytor.com, akpm@linux-foundation.org, torvalds@linux-foundation.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org From: Benjamin Herrenschmidt Date: Fri, 14 May 2010 18:19:47 +1000 > OK, I'll have to let Davem deal with the fine point of the sparc bits, > but I think basically sparc has CONFIG_ARCH_POPULATES_NODE_MAP set, but > the way it's NUMA affinity works, the early_node_map[] is crap, you > cannot rely on the ranges in there. Right, we can't use early_node_map[] on sparc, because the NUMA mappings are far too granular to use that kind of representation.