[src/trunk]: src/sys/kern Add a pointing to an explanation of why we have #if...

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/990d1364d05b
branches:  trunk
changeset: 750216:990d1364d05b
user:      pooka <pooka%NetBSD.org@localhost>
date:      Sun Dec 20 19:06:44 2009 +0000

description:
Add a pointing to an explanation of why we have #ifdef pmax stuff in here.

diffstat:

 sys/kern/tty_pty.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (26 lines):

diff -r 15cbf51fac80 -r 990d1364d05b sys/kern/tty_pty.c
--- a/sys/kern/tty_pty.c        Sun Dec 20 17:32:09 2009 +0000
+++ b/sys/kern/tty_pty.c        Sun Dec 20 19:06:44 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: tty_pty.c,v 1.119 2009/10/14 19:25:39 dsl Exp $        */
+/*     $NetBSD: tty_pty.c,v 1.120 2009/12/20 19:06:44 pooka Exp $      */
 
 /*
  * Copyright (c) 1982, 1986, 1989, 1993
@@ -37,7 +37,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: tty_pty.c,v 1.119 2009/10/14 19:25:39 dsl Exp $");
+__KERNEL_RCSID(0, "$NetBSD: tty_pty.c,v 1.120 2009/12/20 19:06:44 pooka Exp $");
 
 #include "opt_ptm.h"
 
@@ -119,6 +119,7 @@
 };
 
 #if defined(pmax)
+/* see arch/pmax/conf/majors.pmax */
 const struct cdevsw ptc_ultrix_cdevsw = {
        ptcopen, ptcclose, ptcread, ptcwrite, ptyioctl,
        nullstop, ptytty, ptcpoll, nommap, ptckqfilter, D_TTY