S390 updates
diff --git a/mem.c b/mem.c
index 2a1721b..451f239 100644
--- a/mem.c
+++ b/mem.c
@@ -170,9 +170,9 @@
 struct tcb *tcp;
 {
     long u_arg[6];
-    int i, v;
 
 #if	defined(IA64)
+    int i, v;
     /*
      *  IA64 processes never call this routine, they only use the
      *  new `sys_mmap' interface.  This code converts the integer