From patchwork Fri Aug 3 07:49:16 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wen Congyang X-Patchwork-Id: 1269751 Return-Path: X-Original-To: patchwork-linux-acpi@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 1BB26DF280 for ; Fri, 3 Aug 2012 08:02:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751699Ab2HCIB1 (ORCPT ); Fri, 3 Aug 2012 04:01:27 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:24808 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1750843Ab2HCIAS (ORCPT ); Fri, 3 Aug 2012 04:00:18 -0400 X-IronPort-AV: E=Sophos;i="4.77,705,1336320000"; d="scan'208";a="5544582" Received: from unknown (HELO tang.cn.fujitsu.com) ([10.167.250.3]) by song.cn.fujitsu.com with ESMTP; 03 Aug 2012 15:59:16 +0800 Received: from fnstmail02.fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id q737itHd014268; Fri, 3 Aug 2012 15:44:56 +0800 Received: from ghost.fnst.cn.fujitsu.com ([10.167.225.226]) by fnstmail02.fnst.cn.fujitsu.com (Lotus Domino Release 8.5.3) with ESMTP id 2012080315452465-109306 ; Fri, 3 Aug 2012 15:45:24 +0800 From: wency@cn.fujitsu.com To: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-acpi@vger.kernel.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-ia64@vger.kernel.org, cmetcalf@tilera.com 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, isimatu.yasuaki@jp.fujitsu.com, Wen Congyang Subject: [RFC PATCH V6 14/19] memory-hotplug: move register_page_bootmem_info_node and put_page_bootmem for sparse-vmemmap Date: Fri, 3 Aug 2012 15:49:16 +0800 Message-Id: <1343980161-14254-15-git-send-email-wency@cn.fujitsu.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1343980161-14254-1-git-send-email-wency@cn.fujitsu.com> References: <1343980161-14254-1-git-send-email-wency@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/08/03 15:45:24, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/08/03 15:45:26, Serialize complete at 2012/08/03 15:45:26 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org From: Yasuaki Ishimatsu For implementing register_page_bootmem_info_node of sparse-vmemmap, register_page_bootmem_info_node and put_page_bootmem are moved to memory_hotplug.c 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 --- include/linux/memory_hotplug.h | 9 --------- mm/memory_hotplug.c | 8 ++++++-- 2 files changed, 6 insertions(+), 11 deletions(-) diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index cdbbd79..1133e63 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -162,17 +162,8 @@ static inline void arch_refresh_nodedata(int nid, pg_data_t *pgdat) #endif /* CONFIG_NUMA */ #endif /* CONFIG_HAVE_ARCH_NODEDATA_EXTENSION */ -#ifdef CONFIG_SPARSEMEM_VMEMMAP -static inline void register_page_bootmem_info_node(struct pglist_data *pgdat) -{ -} -static inline void put_page_bootmem(struct page *page) -{ -} -#else extern void register_page_bootmem_info_node(struct pglist_data *pgdat); extern void put_page_bootmem(struct page *page); -#endif /* * Lock for memory hotplug guarantees 1) all callbacks for memory hotplug diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 710e593..3a264a5 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -91,7 +91,6 @@ static void release_memory_resource(struct resource *res) } #ifdef CONFIG_MEMORY_HOTPLUG_SPARSE -#ifndef CONFIG_SPARSEMEM_VMEMMAP static void get_page_bootmem(unsigned long info, struct page *page, unsigned long type) { @@ -127,6 +126,7 @@ void __ref put_page_bootmem(struct page *page) } +#ifndef CONFIG_SPARSEMEM_VMEMMAP static void register_page_bootmem_info_section(unsigned long start_pfn) { unsigned long *usemap, mapsize, section_nr, i; @@ -163,6 +163,11 @@ static void register_page_bootmem_info_section(unsigned long start_pfn) get_page_bootmem(section_nr, page, MIX_SECTION_INFO); } +#else +static inline void register_page_bootmem_info_section(unsigned long start_pfn) +{ +} +#endif void register_page_bootmem_info_node(struct pglist_data *pgdat) { @@ -198,7 +203,6 @@ void register_page_bootmem_info_node(struct pglist_data *pgdat) register_page_bootmem_info_section(pfn); } -#endif /* !CONFIG_SPARSEMEM_VMEMMAP */ static void grow_zone_span(struct zone *zone, unsigned long start_pfn, unsigned long end_pfn)