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Use vmspace::vm_minsaddr instead of hardcoding USRSTACK. 

Requested by joerg@.
This commit is contained in:
uwe 2017-06-20 23:20:01 +00:00
parent 4f1895c5fb
commit 1719ca2feb
1 changed files with 4 additions and 4 deletions
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8
sys/arch/sh3/sh3/exception.c
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@ -1,4 +1,4 @@
/* $NetBSD: exception.c,v 1.64 2015/03/04 09:39:26 skrll Exp $ */
/* $NetBSD: exception.c,v 1.65 2017/06/20 23:20:01 uwe Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc. All rights reserved.
@ -79,7 +79,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: exception.c,v 1.64 2015/03/04 09:39:26 skrll Exp $");
__KERNEL_RCSID(0, "$NetBSD: exception.c,v 1.65 2017/06/20 23:20:01 uwe Exp $");
#include "opt_ddb.h"
#include "opt_kgdb.h"
@ -393,11 +393,11 @@ tlb_exception(struct lwp *l, struct trapframe *tf, uint32_t va)
/* User stack extension */
if (map != kernel_map &&
(va >= (vaddr_t)l->l_proc->p_vmspace->vm_maxsaddr) &&
(va < USRSTACK)) {
(va < (vaddr_t)l->l_proc->p_vmspace->vm_minsaddr)) {
if (err == 0) {
struct vmspace *vm = l->l_proc->p_vmspace;
uint32_t nss;
nss = btoc(USRSTACK - va);
nss = btoc((vaddr_t)vm->vm_minsaddr - va);
if (nss > vm->vm_ssize)
vm->vm_ssize = nss;
} else if (err == EACCES) {