From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with ESMTP id 1A1986B0214 for ; Thu, 15 Apr 2010 13:30:59 -0400 (EDT) From: Lee Schermerhorn Date: Thu, 15 Apr 2010 13:30:24 -0400 Message-Id: <20100415173024.8801.36840.sendpatchset@localhost.localdomain> In-Reply-To: <20100415172950.8801.60358.sendpatchset@localhost.localdomain> References: <20100415172950.8801.60358.sendpatchset@localhost.localdomain> Subject: [PATCH 5/8] numa: ia64: support numa_mem_id() for memoryless nodes Sender: owner-linux-mm@kvack.org To: linux-mm@kvack.org, linux-numa@vger.kernel.org Cc: Tejun Heo , Mel Gorman , Andi@domain.invalid, Kleen@domain.invalid, andi@firstfloor.org, Christoph Lameter , Nick Piggin , David Rientjes , eric.whitney@hp.com, Andrew Morton , KAMEZAWA Hiroyuki List-ID: Against: 2.6.34-rc3-mmotm-100405-1609 IA64: Support memoryless nodes Enable 'HAVE_MEMORYLESS_NODES' by default when NUMA configured on ia64. Initialize percpu 'numa_mem' variable when starting secondary cpus. Generic initialization will handle the boot cpu. Nothing uses 'numa_mem_id()' yet. Subsequent patch with modify slab to use this. Signed-off-by: Lee Schermerhorn --- New in V2 V3, V4: no change arch/ia64/Kconfig | 4 ++++ arch/ia64/kernel/smpboot.c | 1 + 2 files changed, 5 insertions(+) Index: linux-2.6.34-rc3-mmotm-100405-1609/arch/ia64/Kconfig =================================================================== --- linux-2.6.34-rc3-mmotm-100405-1609.orig/arch/ia64/Kconfig 2010-04-07 10:10:27.000000000 -0400 +++ linux-2.6.34-rc3-mmotm-100405-1609/arch/ia64/Kconfig 2010-04-07 10:10:30.000000000 -0400 @@ -501,6 +501,10 @@ config USE_PERCPU_NUMA_NODE_ID def_bool y depends on NUMA +config HAVE_MEMORYLESS_NODES + def_bool y + depends on NUMA + config ARCH_PROC_KCORE_TEXT def_bool y depends on PROC_KCORE Index: linux-2.6.34-rc3-mmotm-100405-1609/arch/ia64/kernel/smpboot.c =================================================================== --- linux-2.6.34-rc3-mmotm-100405-1609.orig/arch/ia64/kernel/smpboot.c 2010-04-07 10:10:27.000000000 -0400 +++ linux-2.6.34-rc3-mmotm-100405-1609/arch/ia64/kernel/smpboot.c 2010-04-07 10:10:30.000000000 -0400 @@ -394,6 +394,7 @@ smp_callin (void) * numa_node_id() works after this. */ set_numa_node(cpu_to_node_map[cpuid]); + set_numa_mem(local_memory_node(cpu_to_node_map[cpuid])); ipi_call_lock_irq(); spin_lock(&vector_lock); -- 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