Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964935AbWCQI1j (ORCPT ); Fri, 17 Mar 2006 03:27:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964936AbWCQI1c (ORCPT ); Fri, 17 Mar 2006 03:27:32 -0500 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:49104 "EHLO fgwmail6.fujitsu.co.jp") by vger.kernel.org with ESMTP id S964931AbWCQIWz (ORCPT ); Fri, 17 Mar 2006 03:22:55 -0500 Date: Fri, 17 Mar 2006 17:21:38 +0900 From: Yasunori Goto To: Andrew Morton Subject: [PATCH: 008/017]Memory hotplug for new nodes v.4.(allocate pgdat for ia64) Cc: Linux Kernel ML , linux-ia64@vger.kernel.org, "Luck, Tony" , Andi Kleen , linux-mm X-Mailer-Plugin: BkASPil for Becky!2 Ver.2.063 Message-Id: <20060317163324.C647.Y-GOTO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.24.02 [ja] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1895 Lines: 59 This is a patch to allocate pgdat and per node data area for ia64. The size for them can be calculated by compute_pernodesize(). Signed-off-by: Yasunori Goto arch/ia64/mm/discontig.c | 16 ++++++++++++++-- 1 files changed, 14 insertions(+), 2 deletions(-) Index: pgdat8/arch/ia64/mm/discontig.c =================================================================== --- pgdat8.orig/arch/ia64/mm/discontig.c 2006-03-16 21:20:31.251828760 +0900 +++ pgdat8/arch/ia64/mm/discontig.c 2006-03-16 21:21:25.615109344 +0900 @@ -100,7 +100,7 @@ static int __init build_node_maps(unsign * acpi_boot_init() (which builds the node_to_cpu_mask array) hasn't been * called yet. Note that node 0 will also count all non-existent cpus. */ -static int __init early_nr_cpus_node(int node) +static int __meminit early_nr_cpus_node(int node) { int cpu, n = 0; @@ -115,7 +115,7 @@ static int __init early_nr_cpus_node(int * compute_pernodesize - compute size of pernode data * @node: the node id. */ -static unsigned long __init compute_pernodesize(int node) +static unsigned long __meminit compute_pernodesize(int node) { unsigned long pernodesize = 0, cpus; @@ -728,6 +728,18 @@ void __init paging_init(void) zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page)); } +pg_data_t *arch_alloc_nodedata(int nid) +{ + unsigned long size = compute_pernodesize(nid); + + return kzalloc(size, GFP_KERNEL); +} + +void arch_free_nodedata(pg_data_t *pgdat) +{ + kfree(pgdat); +} + void arch_refresh_nodedata(int update_node, pg_data_t *update_pgdat) { pgdat_list[update_node] = update_pgdat; -- Yasunori Goto - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/