Bring back LX zones.

*** 110,119 ****
--- 110,131 ----
                  }
          }
          return (pidp);
  }
  
+ struct pid *
+ pid_find(pid_t pid)
+ {
+         struct pid *pidp;
+ 
+         mutex_enter(&pidlinklock);
+         pidp = pid_lookup(pid);
+         mutex_exit(&pidlinklock);
+ 
+         return (pidp);
+ }
+ 
  void
  pid_setmin(void)
  {
          if (jump_pid && jump_pid > mpid)
                  minpid = mpid = jump_pid;