diff options
Diffstat (limited to 'sys/vm/vm_fault.c')
| -rw-r--r-- | sys/vm/vm_fault.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/sys/vm/vm_fault.c b/sys/vm/vm_fault.c index a14512d..f45d377 100644 --- a/sys/vm/vm_fault.c +++ b/sys/vm/vm_fault.c @@ -66,7 +66,7 @@ * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. * - * $Id: vm_fault.c,v 1.71 1997/09/01 03:17:15 bde Exp $ + * $Id: vm_fault.c,v 1.72 1997/12/19 09:03:10 dyson Exp $ */ /* @@ -222,6 +222,15 @@ RetryFault:; } } + /* + * Make a reference to this object to prevent its disposal while we + * are messing with it. Once we have the reference, the map is free + * to be diddled. Since objects reference their shadows (and copies), + * they will stay around as well. + */ + vm_object_reference(first_object); + first_object->paging_in_progress++; + vp = vnode_pager_lock(first_object); if ((fault_type & VM_PROT_WRITE) && (first_object->type == OBJT_VNODE)) { @@ -236,16 +245,6 @@ RetryFault:; first_m = NULL; /* - * Make a reference to this object to prevent its disposal while we - * are messing with it. Once we have the reference, the map is free - * to be diddled. Since objects reference their shadows (and copies), - * they will stay around as well. - */ - - first_object->ref_count++; - first_object->paging_in_progress++; - - /* * INVARIANTS (through entire routine): * * 1) At all times, we must either have the object lock or a busy |
