[src/trunk]: src/sys/arch/alpha/alpha processes would have vm->vm_ssize screw...

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

details:   https://anonhg.NetBSD.org/src/rev/e5ac181dbc0a
branches:  trunk
changeset: 472505:e5ac181dbc0a
user:      cgd <cgd%NetBSD.org@localhost>
date:      Fri Apr 30 20:21:57 1999 +0000

description:
processes would have vm->vm_ssize screwed up when they faulted
data regions higher than USRSTACK.

diffstat:

 sys/arch/alpha/alpha/trap.c |  7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diffs (28 lines):

diff -r 4beb316e7def -r e5ac181dbc0a sys/arch/alpha/alpha/trap.c
--- a/sys/arch/alpha/alpha/trap.c       Fri Apr 30 19:05:47 1999 +0000
+++ b/sys/arch/alpha/alpha/trap.c       Fri Apr 30 20:21:57 1999 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: trap.c,v 1.46 1999/04/30 05:47:53 cgd Exp $ */
+/* $NetBSD: trap.c,v 1.47 1999/04/30 20:21:57 cgd Exp $ */
 
 /*
  * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
@@ -34,7 +34,7 @@
 
 #include <sys/cdefs.h>                 /* RCS ID & Copyright macro defns */
 
-__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.46 1999/04/30 05:47:53 cgd Exp $");
+__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.47 1999/04/30 20:21:57 cgd Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -437,7 +437,8 @@
                         * we need to reflect that as an access error.
                         */
                        if (map != kernel_map &&
-                           (caddr_t)va >= vm->vm_maxsaddr) {
+                           (caddr_t)va >= vm->vm_maxsaddr &&
+                           va < USRSTACK) {
                                if (rv == KERN_SUCCESS) {
                                        unsigned nss;