OS-3088 need a lighterweight page invalidation mechanism for zone memcap

*** 21,30 ****
--- 21,31 ----
  /*
   * Copyright 2014 Garrrett D'Amore <garrett@damore.org>
   *
   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
+  * Copyright 2014 Joyent, Inc.  All rights reserved.
   */
  
  /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
  /*        All Rights Reserved   */
  
*** 189,198 ****
--- 190,200 ----
  
  #define _RUSAGESYS_GETRUSAGE            0       /* rusage process */
  #define _RUSAGESYS_GETRUSAGE_CHLD       1       /* rusage child process */
  #define _RUSAGESYS_GETRUSAGE_LWP        2       /* rusage lwp */
  #define _RUSAGESYS_GETVMUSAGE           3       /* getvmusage */
+ #define _RUSAGESYS_INVALMAP             4       /* vm_map_inval */
  
  #if defined(_SYSCALL32)
  
  struct  rusage32 {
          struct timeval32 ru_utime;      /* user time used */