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fix an off-by-on in pmap_check_wiring(): we increment the PTP refcount

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before calling this, so it's ok to see the max value here.
This commit is contained in:
chs 2005-02-14 02:15:43 +00:00
parent e4ad980fcd
commit 589a29e548
1 changed files with 3 additions and 4 deletions
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7
sys/arch/m68k/m68k/pmap_motorola.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap_motorola.c,v 1.12 2005/01/01 21:02:13 yamt Exp $ */
/* $NetBSD: pmap_motorola.c,v 1.13 2005/02/14 02:15:43 chs Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
@ -124,7 +124,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmap_motorola.c,v 1.12 2005/01/01 21:02:13 yamt Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap_motorola.c,v 1.13 2005/02/14 02:15:43 chs Exp $");
#include "opt_compat_hpux.h"
@ -3026,9 +3026,8 @@ pmap_check_wiring(str, va)
pa = pmap_pte_pa(pmap_pte(pmap_kernel(), va));
pg = PHYS_TO_VM_PAGE(pa);
if (pg->wire_count >= PAGE_SIZE / sizeof(pt_entry_t)) {
if (pg->wire_count > PAGE_SIZE / sizeof(pt_entry_t)) {
panic("*%s*: 0x%lx: wire count %d", str, va, pg->wire_count);
return;
}
count = 0;