From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yasuaki Ishimatsu Subject: [RFC PATCH v3 1/13] memory-hotplug : rename remove_memory to offline_memory Date: Mon, 9 Jul 2012 19:23:11 +0900 Message-ID: <4FFAB10F.9070701@jp.fujitsu.com> References: <4FFAB0A2.8070304@jp.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-2022-JP" Content-Transfer-Encoding: 7bit Return-path: Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:48481 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752530Ab2GIKXc (ORCPT ); Mon, 9 Jul 2012 06:23:32 -0400 In-Reply-To: <4FFAB0A2.8070304@jp.fujitsu.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-acpi@vger.kernel.org Cc: rientjes@google.com, liuj97@gmail.com, len.brown@intel.com, benh@kernel.crashing.org, paulus@samba.org, cl@linux.com, minchan.kim@gmail.com, akpm@linux-foundation.org, kosaki.motohiro@jp.fujitsu.com, wency@cn.fujitsu.com remove_memory() does not remove memory but just offlines memory. The patch changes name of it to offline_memory(). CC: David Rientjes CC: Jiang Liu CC: Len Brown CC: Benjamin Herrenschmidt CC: Paul Mackerras CC: Christoph Lameter Cc: Minchan Kim CC: Andrew Morton CC: KOSAKI Motohiro CC: Wen Congyang Signed-off-by: Yasuaki Ishimatsu --- drivers/acpi/acpi_memhotplug.c | 2 +- drivers/base/memory.c | 4 ++-- include/linux/memory_hotplug.h | 2 +- mm/memory_hotplug.c | 6 +++--- 4 files changed, 7 insertions(+), 7 deletions(-) Index: linux-3.5-rc4/drivers/acpi/acpi_memhotplug.c =================================================================== --- linux-3.5-rc4.orig/drivers/acpi/acpi_memhotplug.c 2012-07-03 14:21:46.102416917 +0900 +++ linux-3.5-rc4/drivers/acpi/acpi_memhotplug.c 2012-07-03 14:21:49.458374960 +0900 @@ -318,7 +318,7 @@ static int acpi_memory_disable_device(st */ list_for_each_entry_safe(info, n, &mem_device->res_list, list) { if (info->enabled) { - result = remove_memory(info->start_addr, info->length); + result = offline_memory(info->start_addr, info->length); if (result) return result; } Index: linux-3.5-rc4/drivers/base/memory.c =================================================================== --- linux-3.5-rc4.orig/drivers/base/memory.c 2012-07-03 14:21:46.095417003 +0900 +++ linux-3.5-rc4/drivers/base/memory.c 2012-07-03 14:21:49.459374948 +0900 @@ -266,8 +266,8 @@ memory_block_action(unsigned long phys_i break; case MEM_OFFLINE: start_paddr = page_to_pfn(first_page) << PAGE_SHIFT; - ret = remove_memory(start_paddr, - nr_pages << PAGE_SHIFT); + ret = offline_memory(start_paddr, + nr_pages << PAGE_SHIFT); break; default: WARN(1, KERN_WARNING "%s(%ld, %ld) unknown action: " Index: linux-3.5-rc4/mm/memory_hotplug.c =================================================================== --- linux-3.5-rc4.orig/mm/memory_hotplug.c 2012-07-03 14:21:46.102416917 +0900 +++ linux-3.5-rc4/mm/memory_hotplug.c 2012-07-03 14:21:49.466374860 +0900 @@ -990,7 +990,7 @@ out: return ret; } -int remove_memory(u64 start, u64 size) +int offline_memory(u64 start, u64 size) { unsigned long start_pfn, end_pfn; @@ -999,9 +999,9 @@ int remove_memory(u64 start, u64 size) return offline_pages(start_pfn, end_pfn, 120 * HZ); } #else -int remove_memory(u64 start, u64 size) +int offline_memory(u64 start, u64 size) { return -EINVAL; } #endif /* CONFIG_MEMORY_HOTREMOVE */ -EXPORT_SYMBOL_GPL(remove_memory); +EXPORT_SYMBOL_GPL(offline_memory); Index: linux-3.5-rc4/include/linux/memory_hotplug.h =================================================================== --- linux-3.5-rc4.orig/include/linux/memory_hotplug.h 2012-07-03 14:21:46.102416917 +0900 +++ linux-3.5-rc4/include/linux/memory_hotplug.h 2012-07-03 14:21:49.471374796 +0900 @@ -233,7 +233,7 @@ static inline int is_mem_section_removab extern int mem_online_node(int nid); extern int add_memory(int nid, u64 start, u64 size); extern int arch_add_memory(int nid, u64 start, u64 size); -extern int remove_memory(u64 start, u64 size); +extern int offline_memory(u64 start, u64 size); extern int sparse_add_one_section(struct zone *zone, unsigned long start_pfn, int nr_pages); extern void sparse_remove_one_section(struct zone *zone, struct mem_section *ms); From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752889Ab2GIKXf (ORCPT ); Mon, 9 Jul 2012 06:23:35 -0400 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:48481 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752530Ab2GIKXc (ORCPT ); Mon, 9 Jul 2012 06:23:32 -0400 X-SecurityPolicyCheck: OK by SHieldMailChecker v1.7.4 Message-ID: <4FFAB10F.9070701@jp.fujitsu.com> Date: Mon, 9 Jul 2012 19:23:11 +0900 From: Yasuaki Ishimatsu User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:13.0) Gecko/20120614 Thunderbird/13.0.1 MIME-Version: 1.0 To: , , , CC: , , , , , , , , , Subject: [RFC PATCH v3 1/13] memory-hotplug : rename remove_memory to offline_memory References: <4FFAB0A2.8070304@jp.fujitsu.com> In-Reply-To: <4FFAB0A2.8070304@jp.fujitsu.com> Content-Type: text/plain; charset="ISO-2022-JP" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org remove_memory() does not remove memory but just offlines memory. The patch changes name of it to offline_memory(). CC: David Rientjes CC: Jiang Liu CC: Len Brown CC: Benjamin Herrenschmidt CC: Paul Mackerras CC: Christoph Lameter Cc: Minchan Kim CC: Andrew Morton CC: KOSAKI Motohiro CC: Wen Congyang Signed-off-by: Yasuaki Ishimatsu --- drivers/acpi/acpi_memhotplug.c | 2 +- drivers/base/memory.c | 4 ++-- include/linux/memory_hotplug.h | 2 +- mm/memory_hotplug.c | 6 +++--- 4 files changed, 7 insertions(+), 7 deletions(-) Index: linux-3.5-rc4/drivers/acpi/acpi_memhotplug.c =================================================================== --- linux-3.5-rc4.orig/drivers/acpi/acpi_memhotplug.c 2012-07-03 14:21:46.102416917 +0900 +++ linux-3.5-rc4/drivers/acpi/acpi_memhotplug.c 2012-07-03 14:21:49.458374960 +0900 @@ -318,7 +318,7 @@ static int acpi_memory_disable_device(st */ list_for_each_entry_safe(info, n, &mem_device->res_list, list) { if (info->enabled) { - result = remove_memory(info->start_addr, info->length); + result = offline_memory(info->start_addr, info->length); if (result) return result; } Index: linux-3.5-rc4/drivers/base/memory.c =================================================================== --- linux-3.5-rc4.orig/drivers/base/memory.c 2012-07-03 14:21:46.095417003 +0900 +++ linux-3.5-rc4/drivers/base/memory.c 2012-07-03 14:21:49.459374948 +0900 @@ -266,8 +266,8 @@ memory_block_action(unsigned long phys_i break; case MEM_OFFLINE: start_paddr = page_to_pfn(first_page) << PAGE_SHIFT; - ret = remove_memory(start_paddr, - nr_pages << PAGE_SHIFT); + ret = offline_memory(start_paddr, + nr_pages << PAGE_SHIFT); break; default: WARN(1, KERN_WARNING "%s(%ld, %ld) unknown action: " Index: linux-3.5-rc4/mm/memory_hotplug.c =================================================================== --- linux-3.5-rc4.orig/mm/memory_hotplug.c 2012-07-03 14:21:46.102416917 +0900 +++ linux-3.5-rc4/mm/memory_hotplug.c 2012-07-03 14:21:49.466374860 +0900 @@ -990,7 +990,7 @@ out: return ret; } -int remove_memory(u64 start, u64 size) +int offline_memory(u64 start, u64 size) { unsigned long start_pfn, end_pfn; @@ -999,9 +999,9 @@ int remove_memory(u64 start, u64 size) return offline_pages(start_pfn, end_pfn, 120 * HZ); } #else -int remove_memory(u64 start, u64 size) +int offline_memory(u64 start, u64 size) { return -EINVAL; } #endif /* CONFIG_MEMORY_HOTREMOVE */ -EXPORT_SYMBOL_GPL(remove_memory); +EXPORT_SYMBOL_GPL(offline_memory); Index: linux-3.5-rc4/include/linux/memory_hotplug.h =================================================================== --- linux-3.5-rc4.orig/include/linux/memory_hotplug.h 2012-07-03 14:21:46.102416917 +0900 +++ linux-3.5-rc4/include/linux/memory_hotplug.h 2012-07-03 14:21:49.471374796 +0900 @@ -233,7 +233,7 @@ static inline int is_mem_section_removab extern int mem_online_node(int nid); extern int add_memory(int nid, u64 start, u64 size); extern int arch_add_memory(int nid, u64 start, u64 size); -extern int remove_memory(u64 start, u64 size); +extern int offline_memory(u64 start, u64 size); extern int sparse_add_one_section(struct zone *zone, unsigned long start_pfn, int nr_pages); extern void sparse_remove_one_section(struct zone *zone, struct mem_section *ms); From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx113.postini.com [74.125.245.113]) by kanga.kvack.org (Postfix) with SMTP id 221396B0062 for ; Mon, 9 Jul 2012 06:23:33 -0400 (EDT) Received: from m4.gw.fujitsu.co.jp (unknown [10.0.50.74]) by fgwmail5.fujitsu.co.jp (Postfix) with ESMTP id 172E33EE0BD for ; Mon, 9 Jul 2012 19:23:31 +0900 (JST) Received: from smail (m4 [127.0.0.1]) by outgoing.m4.gw.fujitsu.co.jp (Postfix) with ESMTP id E591145DE51 for ; Mon, 9 Jul 2012 19:23:30 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (s4.gw.fujitsu.co.jp [10.0.50.94]) by m4.gw.fujitsu.co.jp (Postfix) with ESMTP id C105645DE50 for ; Mon, 9 Jul 2012 19:23:30 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id A0778E08002 for ; Mon, 9 Jul 2012 19:23:30 +0900 (JST) Received: from g01jpexchyt11.g01.fujitsu.local (g01jpexchyt11.g01.fujitsu.local [10.128.194.50]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 1CDB51DB803E for ; Mon, 9 Jul 2012 19:23:30 +0900 (JST) Message-ID: <4FFAB10F.9070701@jp.fujitsu.com> Date: Mon, 9 Jul 2012 19:23:11 +0900 From: Yasuaki Ishimatsu MIME-Version: 1.0 Subject: [RFC PATCH v3 1/13] memory-hotplug : rename remove_memory to offline_memory References: <4FFAB0A2.8070304@jp.fujitsu.com> In-Reply-To: <4FFAB0A2.8070304@jp.fujitsu.com> Content-Type: text/plain; charset="ISO-2022-JP" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-acpi@vger.kernel.org Cc: rientjes@google.com, liuj97@gmail.com, len.brown@intel.com, benh@kernel.crashing.org, paulus@samba.org, cl@linux.com, minchan.kim@gmail.com, akpm@linux-foundation.org, kosaki.motohiro@jp.fujitsu.com, wency@cn.fujitsu.com remove_memory() does not remove memory but just offlines memory. The patch changes name of it to offline_memory(). CC: David Rientjes CC: Jiang Liu CC: Len Brown CC: Benjamin Herrenschmidt CC: Paul Mackerras CC: Christoph Lameter Cc: Minchan Kim CC: Andrew Morton CC: KOSAKI Motohiro CC: Wen Congyang Signed-off-by: Yasuaki Ishimatsu --- drivers/acpi/acpi_memhotplug.c | 2 +- drivers/base/memory.c | 4 ++-- include/linux/memory_hotplug.h | 2 +- mm/memory_hotplug.c | 6 +++--- 4 files changed, 7 insertions(+), 7 deletions(-) Index: linux-3.5-rc4/drivers/acpi/acpi_memhotplug.c =================================================================== --- linux-3.5-rc4.orig/drivers/acpi/acpi_memhotplug.c 2012-07-03 14:21:46.102416917 +0900 +++ linux-3.5-rc4/drivers/acpi/acpi_memhotplug.c 2012-07-03 14:21:49.458374960 +0900 @@ -318,7 +318,7 @@ static int acpi_memory_disable_device(st */ list_for_each_entry_safe(info, n, &mem_device->res_list, list) { if (info->enabled) { - result = remove_memory(info->start_addr, info->length); + result = offline_memory(info->start_addr, info->length); if (result) return result; } Index: linux-3.5-rc4/drivers/base/memory.c =================================================================== --- linux-3.5-rc4.orig/drivers/base/memory.c 2012-07-03 14:21:46.095417003 +0900 +++ linux-3.5-rc4/drivers/base/memory.c 2012-07-03 14:21:49.459374948 +0900 @@ -266,8 +266,8 @@ memory_block_action(unsigned long phys_i break; case MEM_OFFLINE: start_paddr = page_to_pfn(first_page) << PAGE_SHIFT; - ret = remove_memory(start_paddr, - nr_pages << PAGE_SHIFT); + ret = offline_memory(start_paddr, + nr_pages << PAGE_SHIFT); break; default: WARN(1, KERN_WARNING "%s(%ld, %ld) unknown action: " Index: linux-3.5-rc4/mm/memory_hotplug.c =================================================================== --- linux-3.5-rc4.orig/mm/memory_hotplug.c 2012-07-03 14:21:46.102416917 +0900 +++ linux-3.5-rc4/mm/memory_hotplug.c 2012-07-03 14:21:49.466374860 +0900 @@ -990,7 +990,7 @@ out: return ret; } -int remove_memory(u64 start, u64 size) +int offline_memory(u64 start, u64 size) { unsigned long start_pfn, end_pfn; @@ -999,9 +999,9 @@ int remove_memory(u64 start, u64 size) return offline_pages(start_pfn, end_pfn, 120 * HZ); } #else -int remove_memory(u64 start, u64 size) +int offline_memory(u64 start, u64 size) { return -EINVAL; } #endif /* CONFIG_MEMORY_HOTREMOVE */ -EXPORT_SYMBOL_GPL(remove_memory); +EXPORT_SYMBOL_GPL(offline_memory); Index: linux-3.5-rc4/include/linux/memory_hotplug.h =================================================================== --- linux-3.5-rc4.orig/include/linux/memory_hotplug.h 2012-07-03 14:21:46.102416917 +0900 +++ linux-3.5-rc4/include/linux/memory_hotplug.h 2012-07-03 14:21:49.471374796 +0900 @@ -233,7 +233,7 @@ static inline int is_mem_section_removab extern int mem_online_node(int nid); extern int add_memory(int nid, u64 start, u64 size); extern int arch_add_memory(int nid, u64 start, u64 size); -extern int remove_memory(u64 start, u64 size); +extern int offline_memory(u64 start, u64 size); extern int sparse_add_one_section(struct zone *zone, unsigned long start_pfn, int nr_pages); extern void sparse_remove_one_section(struct zone *zone, struct mem_section *ms); -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from fgwmail5.fujitsu.co.jp (fgwmail5.fujitsu.co.jp [192.51.44.35]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id BD9912C00DC for ; Mon, 9 Jul 2012 20:23:32 +1000 (EST) Received: from m4.gw.fujitsu.co.jp (unknown [10.0.50.74]) by fgwmail5.fujitsu.co.jp (Postfix) with ESMTP id 1737F3EE0C0 for ; Mon, 9 Jul 2012 19:23:31 +0900 (JST) Received: from smail (m4 [127.0.0.1]) by outgoing.m4.gw.fujitsu.co.jp (Postfix) with ESMTP id E5D1E45DE53 for ; Mon, 9 Jul 2012 19:23:30 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (s4.gw.fujitsu.co.jp [10.0.50.94]) by m4.gw.fujitsu.co.jp (Postfix) with ESMTP id C0FE445DE4E for ; Mon, 9 Jul 2012 19:23:30 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 9F55DE08001 for ; Mon, 9 Jul 2012 19:23:30 +0900 (JST) Received: from g01jpexchyt11.g01.fujitsu.local (g01jpexchyt11.g01.fujitsu.local [10.128.194.50]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 1CCDF1DB803B for ; Mon, 9 Jul 2012 19:23:30 +0900 (JST) Message-ID: <4FFAB10F.9070701@jp.fujitsu.com> Date: Mon, 9 Jul 2012 19:23:11 +0900 From: Yasuaki Ishimatsu MIME-Version: 1.0 To: , , , Subject: [RFC PATCH v3 1/13] memory-hotplug : rename remove_memory to offline_memory References: <4FFAB0A2.8070304@jp.fujitsu.com> In-Reply-To: <4FFAB0A2.8070304@jp.fujitsu.com> Content-Type: text/plain; charset="ISO-2022-JP" Cc: len.brown@intel.com, wency@cn.fujitsu.com, paulus@samba.org, minchan.kim@gmail.com, kosaki.motohiro@jp.fujitsu.com, rientjes@google.com, cl@linux.com, akpm@linux-foundation.org, liuj97@gmail.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , remove_memory() does not remove memory but just offlines memory. The patch changes name of it to offline_memory(). CC: David Rientjes CC: Jiang Liu CC: Len Brown CC: Benjamin Herrenschmidt CC: Paul Mackerras CC: Christoph Lameter Cc: Minchan Kim CC: Andrew Morton CC: KOSAKI Motohiro CC: Wen Congyang Signed-off-by: Yasuaki Ishimatsu --- drivers/acpi/acpi_memhotplug.c | 2 +- drivers/base/memory.c | 4 ++-- include/linux/memory_hotplug.h | 2 +- mm/memory_hotplug.c | 6 +++--- 4 files changed, 7 insertions(+), 7 deletions(-) Index: linux-3.5-rc4/drivers/acpi/acpi_memhotplug.c =================================================================== --- linux-3.5-rc4.orig/drivers/acpi/acpi_memhotplug.c 2012-07-03 14:21:46.102416917 +0900 +++ linux-3.5-rc4/drivers/acpi/acpi_memhotplug.c 2012-07-03 14:21:49.458374960 +0900 @@ -318,7 +318,7 @@ static int acpi_memory_disable_device(st */ list_for_each_entry_safe(info, n, &mem_device->res_list, list) { if (info->enabled) { - result = remove_memory(info->start_addr, info->length); + result = offline_memory(info->start_addr, info->length); if (result) return result; } Index: linux-3.5-rc4/drivers/base/memory.c =================================================================== --- linux-3.5-rc4.orig/drivers/base/memory.c 2012-07-03 14:21:46.095417003 +0900 +++ linux-3.5-rc4/drivers/base/memory.c 2012-07-03 14:21:49.459374948 +0900 @@ -266,8 +266,8 @@ memory_block_action(unsigned long phys_i break; case MEM_OFFLINE: start_paddr = page_to_pfn(first_page) << PAGE_SHIFT; - ret = remove_memory(start_paddr, - nr_pages << PAGE_SHIFT); + ret = offline_memory(start_paddr, + nr_pages << PAGE_SHIFT); break; default: WARN(1, KERN_WARNING "%s(%ld, %ld) unknown action: " Index: linux-3.5-rc4/mm/memory_hotplug.c =================================================================== --- linux-3.5-rc4.orig/mm/memory_hotplug.c 2012-07-03 14:21:46.102416917 +0900 +++ linux-3.5-rc4/mm/memory_hotplug.c 2012-07-03 14:21:49.466374860 +0900 @@ -990,7 +990,7 @@ out: return ret; } -int remove_memory(u64 start, u64 size) +int offline_memory(u64 start, u64 size) { unsigned long start_pfn, end_pfn; @@ -999,9 +999,9 @@ int remove_memory(u64 start, u64 size) return offline_pages(start_pfn, end_pfn, 120 * HZ); } #else -int remove_memory(u64 start, u64 size) +int offline_memory(u64 start, u64 size) { return -EINVAL; } #endif /* CONFIG_MEMORY_HOTREMOVE */ -EXPORT_SYMBOL_GPL(remove_memory); +EXPORT_SYMBOL_GPL(offline_memory); Index: linux-3.5-rc4/include/linux/memory_hotplug.h =================================================================== --- linux-3.5-rc4.orig/include/linux/memory_hotplug.h 2012-07-03 14:21:46.102416917 +0900 +++ linux-3.5-rc4/include/linux/memory_hotplug.h 2012-07-03 14:21:49.471374796 +0900 @@ -233,7 +233,7 @@ static inline int is_mem_section_removab extern int mem_online_node(int nid); extern int add_memory(int nid, u64 start, u64 size); extern int arch_add_memory(int nid, u64 start, u64 size); -extern int remove_memory(u64 start, u64 size); +extern int offline_memory(u64 start, u64 size); extern int sparse_add_one_section(struct zone *zone, unsigned long start_pfn, int nr_pages); extern void sparse_remove_one_section(struct zone *zone, struct mem_section *ms);