From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with ESMTP id 70282600921 for ; Thu, 15 Jul 2010 14:40:46 -0400 (EDT) Received: from d01relay01.pok.ibm.com (d01relay01.pok.ibm.com [9.56.227.233]) by e9.ny.us.ibm.com (8.14.4/8.13.1) with ESMTP id o6FIOZkE005622 for ; Thu, 15 Jul 2010 14:24:35 -0400 Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by d01relay01.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o6FIefp5081980 for ; Thu, 15 Jul 2010 14:40:41 -0400 Received: from d01av04.pok.ibm.com (loopback [127.0.0.1]) by d01av04.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id o6FIeftY017015 for ; Thu, 15 Jul 2010 14:40:41 -0400 Message-ID: <4C3F5628.6030809@austin.ibm.com> Date: Thu, 15 Jul 2010 13:40:40 -0500 From: Nathan Fontenot MIME-Version: 1.0 Subject: [PATCH 4/5] v2 Update sysfs node routines for new sysfs memory directories References: <4C3F53D1.3090001@austin.ibm.com> In-Reply-To: <4C3F53D1.3090001@austin.ibm.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@ozlabs.org Cc: KAMEZAWA Hiroyuki List-ID: Update the node sysfs directory routines that create links to the memory sysfs directories under each node. This update makes the node code aware that a memory sysfs directory can cover multiple memory sections. Signed-off-by: Nathan Fontenot --- drivers/base/node.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) Index: linux-2.6/drivers/base/node.c =================================================================== --- linux-2.6.orig/drivers/base/node.c 2010-07-15 09:54:06.000000000 -0500 +++ linux-2.6/drivers/base/node.c 2010-07-15 09:56:16.000000000 -0500 @@ -346,8 +346,10 @@ return -EFAULT; if (!node_online(nid)) return 0; - sect_start_pfn = section_nr_to_pfn(mem_blk->phys_index); - sect_end_pfn = sect_start_pfn + PAGES_PER_SECTION - 1; + + sect_start_pfn = section_nr_to_pfn(mem_blk->start_phys_index); + sect_end_pfn = section_nr_to_pfn(mem_blk->end_phys_index); + sect_end_pfn += PAGES_PER_SECTION - 1; for (pfn = sect_start_pfn; pfn <= sect_end_pfn; pfn++) { int page_nid; @@ -383,8 +385,10 @@ if (!unlinked_nodes) return -ENOMEM; nodes_clear(*unlinked_nodes); - sect_start_pfn = section_nr_to_pfn(mem_blk->phys_index); - sect_end_pfn = sect_start_pfn + PAGES_PER_SECTION - 1; + + sect_start_pfn = section_nr_to_pfn(mem_blk->start_phys_index); + sect_end_pfn = section_nr_to_pfn(mem_blk->end_phys_index); + sect_end_pfn += PAGES_PER_SECTION - 1; for (pfn = sect_start_pfn; pfn <= sect_end_pfn; pfn++) { int nid; -- 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/ . Don't email: email@kvack.org