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>

1 files changed, 0 insertions, 5 deletions

diff --git a/arch/ia64/include/asm/topology.h b/arch/ia64/include/asm/topology.h
index d323071d0f91..09f646753d1a 100644
--- a/arch/ia64/include/asm/topology.h
+++ b/arch/ia64/include/asm/topology.h
@@ -26,11 +26,6 @@
 #define RECLAIM_DISTANCE 15
 
 /*
- * Returns the number of the node containing CPU 'cpu'
- */
-#define cpu_to_node(cpu) (int)(cpu_to_node_map[cpu])
-
-/*
  * Returns a bitmask of CPUs on Node 'node'.
  */
 #define cpumask_of_node(node) ((node) == -1 ?                           \