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Reflect dropping mappings in map_size. 

Avoids panic on DIAGNOSTIC kernels.

ok by chs
This commit is contained in:
pooka 2004-03-11 15:03:47 +00:00
parent f389cf03c4
commit c5e500a486
1 changed files with 5 additions and 5 deletions
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10
sys/uvm/uvm_map.c
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@ -1,4 +1,4 @@
/* $NetBSD: uvm_map.c,v 1.161 2004/02/10 01:30:49 matt Exp $ */
/* $NetBSD: uvm_map.c,v 1.162 2004/03/11 15:03:47 pooka Exp $ */
/*
* Copyright (c) 1997 Charles D. Cranor and Washington University.
@ -71,7 +71,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uvm_map.c,v 1.161 2004/02/10 01:30:49 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: uvm_map.c,v 1.162 2004/03/11 15:03:47 pooka Exp $");
#include "opt_ddb.h"
#include "opt_uvmhist.h"
@ -3633,6 +3633,7 @@ uvmspace_fork(struct vmspace *vm1)
new_map = &vm2->vm_map; /* XXX */
old_entry = old_map->header.next;
new_map->size = old_map->size;
/*
* go entry-by-entry
@ -3652,9 +3653,9 @@ uvmspace_fork(struct vmspace *vm1)
case MAP_INHERIT_NONE:
/*
* drop the mapping
* drop the mapping, modify size
*/
new_map->size -= old_entry->end - old_entry->start;
break;
case MAP_INHERIT_SHARE:
@ -3827,7 +3828,6 @@ uvmspace_fork(struct vmspace *vm1)
old_entry = old_entry->next;
}
new_map->size = old_map->size;
vm_map_unlock(old_map);
#ifdef SYSVSHM