[IA64] Hook up getcpu system call for IA64

getcpu system call returns cpu# and node# on which this system call and
its caller are running. This patch hooks up its implementation on IA64.

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 15234ed..e7873ee 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1610,5 +1610,7 @@
 	data8 sys_sync_file_range		// 1300
 	data8 sys_tee
 	data8 sys_vmsplice
+	data8 sys_ni_syscall			// reserved for move_pages
+	data8 sys_getcpu
 
 	.org sys_call_table + 8*NR_syscalls	// guard against failures to increase NR_syscalls