From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e9.ny.us.ibm.com (e9.ny.us.ibm.com [32.97.182.139]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e9.ny.us.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 0C8A91007D9 for ; Fri, 16 Jul 2010 04:40:44 +1000 (EST) Received: from d01relay05.pok.ibm.com (d01relay05.pok.ibm.com [9.56.227.237]) by e9.ny.us.ibm.com (8.14.4/8.13.1) with ESMTP id o6FIOZjJ005629 for ; Thu, 15 Jul 2010 14:24:35 -0400 Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by d01relay05.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o6FIegl6136774 for ; Thu, 15 Jul 2010 14:40:42 -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 o6FIefta017015 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 To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@ozlabs.org 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 Cc: KAMEZAWA Hiroyuki List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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;