OS-4028 need a priv for meminfo and disallow by default for a zone

*** 94,103 ****
--- 94,108 ----
         All but MEMINFO_VLGRP and MEMINFO_VPAGESIZE require the
         PRIV_PROC_MEMINFO privilege.
  
  
  RETURN VALUES
+        All but MEMINFO_VLGRP and MEMINFO_VPAGESIZE require the
+        PRIV_PROC_MEMINFO privilege.
+ 
+ 
+ RETURN VALUES
         Upon successful completion meminfo() returns 0. Otherwise -1 is
         returned and errno is set to indicate the error.
  
  ERRORS
         The meminfo() function will fail if: