From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 17 Mar 2006 17:21:38 +0900 From: Yasunori Goto Subject: [PATCH: 008/017]Memory hotplug for new nodes v.4.(allocate pgdat for ia64) Message-Id: <20060317163324.C647.Y-GOTO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: Linux Kernel ML , linux-ia64@vger.kernel.org, "Luck, Tony" , Andi Kleen , linux-mm List-ID: 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, 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