Addendum to vm_map coalesce optimization. Also, this was backed-out

because there was a concensus on current in regards to leaving bss r+w+x
    instead of r+w.  This is in order to maintain reasonable compatibility
    with existing JIT compilers (e.g. kaffe) and possibly other programs.

sys/vm/vm_unix.c

@@ -38,7 +38,7 @@
  * from: Utah $Hdr: vm_unix.c 1.1 89/11/07$
  *
  *	@(#)vm_unix.c	8.1 (Berkeley) 6/11/93
- * $Id: vm_unix.c,v 1.18 1999/02/05 07:49:29 dillon Exp $
+ * $Id: vm_unix.c,v 1.19 1999/02/08 00:27:56 dillon Exp $
  */
 
 /*