From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yinghai Lu Subject: Re: [RFC PATCH 6/6] sparc64: use early_res and nobootmem Date: Wed, 10 Mar 2010 14:10:22 -0800 Message-ID: <4B9818CE.7090809@kernel.org> References: <20100310.133035.84824445.davem@davemloft.net> <20100310.133321.134330563.davem@davemloft.net> <4B981049.3040607@kernel.org> <20100310.133646.144946890.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:60613 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932813Ab0CJWLe (ORCPT ); Wed, 10 Mar 2010 17:11:34 -0500 In-Reply-To: <20100310.133646.144946890.davem@davemloft.net> Sender: linux-arch-owner@vger.kernel.org List-ID: To: David Miller Cc: mingo@elte.hu, tglx@linutronix.de, hpa@zytor.com, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org On 03/10/2010 01:36 PM, David Miller wrote: > From: Yinghai Lu > Date: Wed, 10 Mar 2010 13:34:01 -0800 > >> On 03/10/2010 01:33 PM, David Miller wrote: >>> From: David Miller >>> Date: Wed, 10 Mar 2010 13:30:35 -0800 (PST) >>> >>>> From: Yinghai Lu >>>> Date: Wed, 10 Mar 2010 13:24:27 -0800 >>>> >>>>> use early_res/fw_memmap to replace lmb, so could use early_res replace bootme >>>>> later. >>>>> >>>>> Signed-off-by: Yinghai Lu >>>> >>>> Why? What does early_res/fw_memmap do that lmb cannot? >> >> try to remove bootmem layer. > > And LMB cannot fill this void with some minor modifications? early_res array could be increased automatically... could be something like: keep lmb.memory part, and use early_res for reserved parts... maybe could try to make fw_memmap.c more simple. Yinghai