From 3bccd996276b108c138e8176793a26ecef54d573 Mon Sep 17 00:00:00 2001
From: Lee Schermerhorn <lee.schermerhorn@hp.com>
Date: Wed, 26 May 2010 14:44:59 -0700
Subject: numa: ia64: use generic percpu var numa_node_id() implementation

ia64:  Use generic percpu implementation of numa_node_id()
   + intialize per cpu 'numa_node'
   + remove ia64 cpu_to_node() macro;  use generic
   + define CONFIG_USE_PERCPU_NUMA_NODE_ID when NUMA configured

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Nick Piggin <npiggin@suse.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Eric Whitney <eric.whitney@hp.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/ia64/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'arch/ia64/Kconfig')

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index f8afdd271f3..00ba0870887 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -498,6 +498,10 @@ config HAVE_ARCH_NODEDATA_EXTENSION
 	def_bool y
 	depends on NUMA
 
+config USE_PERCPU_NUMA_NODE_ID
+	def_bool y
+	depends on NUMA
+
 config ARCH_PROC_KCORE_TEXT
 	def_bool y
 	depends on PROC_KCORE
-- 
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