From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932254Ab2KVUnB (ORCPT ); Thu, 22 Nov 2012 15:43:01 -0500 Received: from terminus.zytor.com ([198.137.202.10]:37038 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964984Ab2KVS6u (ORCPT ); Thu, 22 Nov 2012 13:58:50 -0500 Date: Wed, 21 Nov 2012 17:39:28 -0800 From: tip-bot for Yinghai Lu Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org, yinghai@kernel.org, penberg@kernel.org, isimatu.yasuaki@jp.fujitsu.com, tglx@linutronix.de, hpa@linux.intel.com, mingo@elte.hu Reply-To: mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, yinghai@kernel.org, isimatu.yasuaki@jp.fujitsu.com, penberg@kernel.org, tglx@linutronix.de, hpa@linux.intel.com, mingo@elte.hu In-Reply-To: <1353123563-3103-3-git-send-email-yinghai@kernel.org> References: <1353123563-3103-3-git-send-email-yinghai@kernel.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/mm2] x86, mm: Split out split_mem_range from init_memory_mapping Git-Commit-ID: 4e33e06555329e93523b3d2590b9210bf84120a3 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (terminus.zytor.com [127.0.0.1]); Wed, 21 Nov 2012 17:39:34 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 4e33e06555329e93523b3d2590b9210bf84120a3 Gitweb: http://git.kernel.org/tip/4e33e06555329e93523b3d2590b9210bf84120a3 Author: Yinghai Lu AuthorDate: Fri, 16 Nov 2012 19:38:39 -0800 Committer: H. Peter Anvin CommitDate: Sat, 17 Nov 2012 11:59:01 -0800 x86, mm: Split out split_mem_range from init_memory_mapping So make init_memory_mapping smaller and readable. -v2: use 0 instead of nr_range as input parameter found by Yasuaki Ishimatsu. Suggested-by: Ingo Molnar Signed-off-by: Yinghai Lu Link: http://lkml.kernel.org/r/1353123563-3103-3-git-send-email-yinghai@kernel.org Reviewed-by: Pekka Enberg Cc: Yasuaki Ishimatsu Signed-off-by: H. Peter Anvin --- arch/x86/mm/init.c | 41 +++++++++++++++++++++++++---------------- 1 file changed, 25 insertions(+), 16 deletions(-) diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index aa5b0da..6368b86 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -146,25 +146,13 @@ static int __meminit save_mr(struct map_range *mr, int nr_range, return nr_range; } -/* - * Setup the direct mapping of the physical memory at PAGE_OFFSET. - * This runs before bootmem is initialized and gets pages directly from - * the physical memory. To access them they are temporarily mapped. - */ -unsigned long __init_refok init_memory_mapping(unsigned long start, - unsigned long end) +static int __meminit split_mem_range(struct map_range *mr, int nr_range, + unsigned long start, + unsigned long end) { unsigned long start_pfn, end_pfn; - unsigned long ret = 0; unsigned long pos; - struct map_range mr[NR_RANGE_MR]; - int nr_range, i; - - printk(KERN_INFO "init_memory_mapping: [mem %#010lx-%#010lx]\n", - start, end - 1); - - memset(mr, 0, sizeof(mr)); - nr_range = 0; + int i; /* head if not big page alignment ? */ start_pfn = start >> PAGE_SHIFT; @@ -258,6 +246,27 @@ unsigned long __init_refok init_memory_mapping(unsigned long start, (mr[i].page_size_mask & (1<