From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Schermerhorn Subject: [PATCH/RFC 6/8] numa: ia64: support numa_mem_id() for memoryless nodes Date: Thu, 04 Mar 2010 12:08:24 -0500 Message-ID: <20100304170824.10606.87151.sendpatchset@localhost.localdomain> References: <20100304170654.10606.32225.sendpatchset@localhost.localdomain> Return-path: In-Reply-To: <20100304170654.10606.32225.sendpatchset@localhost.localdomain> Sender: linux-numa-owner@vger.kernel.org To: linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-numa@vger.kernel.org Cc: Tejun Heo , Mel Gorman , Andi Kleen , Christoph Lameter , Nick Piggin , David Rientjes , akpm@linux-foundation.org, eric.whitney@hp.com List-Id: linux-arch.vger.kernel.org PATCH/RFC numa: ia64: support memoryless nodes Against: 2.6.33-mmotm-100302-1838 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 arch/ia64/Kconfig | 4 ++++ arch/ia64/kernel/smpboot.c | 1 + 2 files changed, 5 insertions(+) Index: linux-2.6.33-mmotm-100302-1838/arch/ia64/Kconfig =================================================================== --- linux-2.6.33-mmotm-100302-1838.orig/arch/ia64/Kconfig +++ linux-2.6.33-mmotm-100302-1838/arch/ia64/Kconfig @@ -502,6 +502,10 @@ 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-2.6.33-mmotm-100302-1838/arch/ia64/kernel/smpboot.c =================================================================== --- linux-2.6.33-mmotm-100302-1838.orig/arch/ia64/kernel/smpboot.c +++ linux-2.6.33-mmotm-100302-1838/arch/ia64/kernel/smpboot.c @@ -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); From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from g1t0028.austin.hp.com ([15.216.28.35]:19916 "EHLO g1t0028.austin.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756329Ab0CDRAJ (ORCPT ); Thu, 4 Mar 2010 12:00:09 -0500 From: Lee Schermerhorn Date: Thu, 04 Mar 2010 12:08:24 -0500 Message-ID: <20100304170824.10606.87151.sendpatchset@localhost.localdomain> In-Reply-To: <20100304170654.10606.32225.sendpatchset@localhost.localdomain> References: <20100304170654.10606.32225.sendpatchset@localhost.localdomain> Subject: [PATCH/RFC 6/8] numa: ia64: support numa_mem_id() for memoryless nodes Sender: linux-arch-owner@vger.kernel.org List-ID: To: linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-numa@vger.kernel.org Cc: Tejun Heo , Mel Gorman , Andi Kleen , Christoph Lameter , Nick Piggin , David Rientjes , akpm@linux-foundation.org, eric.whitney@hp.com Message-ID: <20100304170824.96sQYncbXPa0itPU-alMU3-yTL6BruE47ZJbhc4UTyo@z> PATCH/RFC numa: ia64: support memoryless nodes Against: 2.6.33-mmotm-100302-1838 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 arch/ia64/Kconfig | 4 ++++ arch/ia64/kernel/smpboot.c | 1 + 2 files changed, 5 insertions(+) Index: linux-2.6.33-mmotm-100302-1838/arch/ia64/Kconfig =================================================================== --- linux-2.6.33-mmotm-100302-1838.orig/arch/ia64/Kconfig +++ linux-2.6.33-mmotm-100302-1838/arch/ia64/Kconfig @@ -502,6 +502,10 @@ 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-2.6.33-mmotm-100302-1838/arch/ia64/kernel/smpboot.c =================================================================== --- linux-2.6.33-mmotm-100302-1838.orig/arch/ia64/kernel/smpboot.c +++ linux-2.6.33-mmotm-100302-1838/arch/ia64/kernel/smpboot.c @@ -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);