[IA64] Remove unused variable in sn_sal.h

cnodeid was being set but not used.  The dead code was
left over from a previous version that grabbed a per node lock.

Signed-off-by: Russ Anderson (rja@sgi.com)
Signed-off-by: Tony Luck <tony.luck@intel.com>

include/asm-ia64/sn/sn_sal.h

@@ -8,7 +8,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (c) 2000-2005 Silicon Graphics, Inc.  All rights reserved.
+ * Copyright (c) 2000-2006 Silicon Graphics, Inc.  All rights reserved.
  */
 
 
@@ -705,10 +705,8 @@ static inline int
 sn_change_memprotect(u64 paddr, u64 len, u64 perms, u64 *nasid_array)
 {
 	struct ia64_sal_retval ret_stuff;
-	int cnodeid;
 	unsigned long irq_flags;
 
-	cnodeid = nasid_to_cnodeid(get_node_number(paddr));
 	local_irq_save(irq_flags);
 	ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_MEMPROTECT, paddr, len,
 				(u64)nasid_array, perms, 0, 0, 0);