From 120d8ac9c11b65f4f5ea455c3ece1377f7c9f5e9 Mon Sep 17 00:00:00 2001
From: Miod Vallat <miod@cvs.openbsd.org>
Date: Mon, 6 Dec 2004 20:12:26 +0000
Subject: Use uvm_grow() to account for stack growth, rather than home-grown
 code or nothing. Inspired by a similar recent change in NetBSD.

---
 sys/arch/hppa/hppa/trap.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

(limited to 'sys/arch/hppa')

diff --git a/sys/arch/hppa/hppa/trap.c b/sys/arch/hppa/hppa/trap.c
index 2b42af14fc2..022bcc0f97e 100644
--- a/sys/arch/hppa/hppa/trap.c
+++ b/sys/arch/hppa/hppa/trap.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: trap.c,v 1.81 2004/09/14 22:44:58 mickey Exp $	*/
+/*	$OpenBSD: trap.c,v 1.82 2004/12/06 20:12:24 miod Exp $	*/
 
 /*
  * Copyright (c) 1998-2004 Michael Shalayeff
@@ -421,13 +421,10 @@ trap(type, frame)
 		 * error.
 		 */
 		if (space != HPPA_SID_KERNEL &&
-		    va < (vaddr_t)vm->vm_minsaddr &&
-		    va >= (vaddr_t)vm->vm_maxsaddr + ctob(vm->vm_ssize)) {
-			if (ret == 0) {
-				vsize_t nss = btoc(va - USRSTACK + NBPG - 1);
-				if (nss > vm->vm_ssize)
-					vm->vm_ssize = nss;
-			} else if (ret == EACCES)
+		    va < (vaddr_t)vm->vm_minsaddr) {
+			if (ret == 0)
+				uvm_grow(p, va);
+			else if (ret == EACCES)
 				ret = EFAULT;
 		}
 
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