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Added needed splvm() protection around object page traversal in

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vm_object_terminate().
This commit is contained in:
David Greenman 1998-10-27 13:22:51 +00:00
parent b5ee16407f
commit e4b7635de2
1 changed files with 4 additions and 1 deletions
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5
sys/vm/vm_object.c
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@ -61,7 +61,7 @@
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*
* $Id: vm_object.c,v 1.132 1998/10/23 05:43:13 dg Exp $
* $Id: vm_object.c,v 1.133 1998/10/25 17:44:58 phk Exp $
*/
/*
@ -404,6 +404,7 @@ vm_object_terminate(object)
register vm_object_t object;
{
register vm_page_t p;
int s;
/*
* Make sure no one uses us.
@ -449,6 +450,7 @@ vm_object_terminate(object)
* removes them from paging queues. Don't free wired pages, just
* remove them from the object.
*/
s = splvm();
while ((p = TAILQ_FIRST(&object->memq)) != NULL) {
#if !defined(MAX_PERF)
if (p->busy || (p->flags & PG_BUSY))
@ -465,6 +467,7 @@ vm_object_terminate(object)
vm_page_remove(p);
}
}
splx(s);
/*
* Let the pager know object is dead.