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vmem_check_sanity: fix check to correctly detect even exactly duplicate spans.

This commit is contained in:
cegger 2008-12-07 11:49:51 +00:00
parent 7ab182873b
commit f132fda3fe
1 changed files with 3 additions and 6 deletions
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9
sys/kern/subr_vmem.c
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@ -1,4 +1,4 @@
/* $NetBSD: subr_vmem.c,v 1.45 2008/12/07 09:40:42 cegger Exp $ */
/* $NetBSD: subr_vmem.c,v 1.46 2008/12/07 11:49:51 cegger Exp $ */
/*-
* Copyright (c)2006 YAMAMOTO Takashi,
@ -38,7 +38,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: subr_vmem.c,v 1.45 2008/12/07 09:40:42 cegger Exp $");
__KERNEL_RCSID(0, "$NetBSD: subr_vmem.c,v 1.46 2008/12/07 11:49:51 cegger Exp $");
#define VMEM_DEBUG
#if defined(_KERNEL)
@ -800,10 +800,7 @@ vmem_check_sanity(vmem_t *vm)
"allocated" : "free");
return false;
}
if (BT_END(bt) <= bt2->bt_start) {
if (BT_END(bt) < BT_END(bt2))
continue;
if (BT_END(bt) > bt2->bt_start) {
printf("%s: overlapping VMEM '%s' span 0x%"
PRIx64" - 0x%"PRIx64" %s\n",
__func__, vm->vm_name,