284 	.vo_copy = VM_OBJECT_NULL,
287 	.shadow = VM_OBJECT_NULL,
622 	vm_object_t     shadow = VM_OBJECT_NULL;  in vm_object_deallocate()
627 	if (object == VM_OBJECT_NULL) {  in vm_object_deallocate()
659 	    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
693 		    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
729 	while (object != VM_OBJECT_NULL) {  in vm_object_deallocate()
783 			    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
828 		shadow = object->pageout?VM_OBJECT_NULL:object->shadow;  in vm_object_deallocate()
833 		if (shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
1005 	vm_object_t     object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1006 	vm_object_t     next_obj = VM_OBJECT_NULL;  in vm_object_cache_evict()
1062 				object = VM_OBJECT_NULL; /* this will cause to break away from the outer loop */  in vm_object_cache_evict()
1073 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1086 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1097 		if (object == VM_OBJECT_NULL) {  in vm_object_cache_evict()
1196 		object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1299 	if (((shadow_object = object->shadow) != VM_OBJECT_NULL) &&  in vm_object_terminate()
1303 			VM_OBJECT_COPY_SET(shadow_object, VM_OBJECT_NULL);  in vm_object_terminate()
1346 	object = VM_OBJECT_NULL;  in vm_object_terminate()
1508 		assert(object->shadow != VM_OBJECT_NULL);  in vm_object_reap()
1540 	object->shadow = VM_OBJECT_NULL;  in vm_object_reap()
1553 	object = VM_OBJECT_NULL;  in vm_object_reap()
1888 		    object->pageout ? VM_OBJECT_NULL : object->shadow;  in vm_object_reaper_thread()
1892 		object = VM_OBJECT_NULL;  in vm_object_reaper_thread()
1894 		if (shadow_object != VM_OBJECT_NULL) {  in vm_object_reaper_thread()
1900 			shadow_object = VM_OBJECT_NULL;  in vm_object_reaper_thread()
1953 	if (object == VM_OBJECT_NULL) {  in vm_object_destroy()
2900 	if (object == VM_OBJECT_NULL) {
3094 			if (next_object != VM_OBJECT_NULL) {
3165 		*_result_object = VM_OBJECT_NULL;
3220 				*_result_object = VM_OBJECT_NULL;
3239 			    src_object->shadow == VM_OBJECT_NULL &&
3382 				*_result_object = VM_OBJECT_NULL;
3405 				*_result_object = VM_OBJECT_NULL;
3452 	if (object == VM_OBJECT_NULL) {
3523 	vm_object_t             new_copy = VM_OBJECT_NULL;
3594 	if (old_copy != VM_OBJECT_NULL) {
3675 							if (new_copy != VM_OBJECT_NULL) {
3683 							return VM_OBJECT_NULL;
3719 			if (new_copy != VM_OBJECT_NULL) {
3737 		if (new_copy == VM_OBJECT_NULL) {
3761 	} else if (new_copy == VM_OBJECT_NULL) {
3801 				return VM_OBJECT_NULL;
3814 	if (old_copy != VM_OBJECT_NULL) {
3875 	assert(src_object != VM_OBJECT_NULL);
3905 			*dst_object = VM_OBJECT_NULL;
3933 		if (*dst_object != VM_OBJECT_NULL) {
3989 	assert(source != VM_OBJECT_NULL);
3990 	if (source == VM_OBJECT_NULL) {
4036 			    (source->shadow == VM_OBJECT_NULL ||
4037 			    source->shadow->vo_copy == VM_OBJECT_NULL)) {
4064 	if ((result = vm_object_allocate(length)) == VM_OBJECT_NULL) {
4198 	if (object != VM_OBJECT_NULL) {
4207 		assert(object != VM_OBJECT_NULL);
4283 	vm_object_t             pager_object = VM_OBJECT_NULL;
4660 		backing_object->shadow = VM_OBJECT_NULL;
4666 	assert((object->shadow == VM_OBJECT_NULL) ||
4682 	assert(backing_object->shadow == VM_OBJECT_NULL);
4746 		VM_OBJECT_COPY_SET(backing_object, VM_OBJECT_NULL);
4853 	if (object == VM_OBJECT_NULL) {
4884 		if (backing_object == VM_OBJECT_NULL) {
4965 		if (backing_object->shadow != VM_OBJECT_NULL &&
5368 	if (next_object != VM_OBJECT_NULL) {
5372 	if (prev_object == VM_OBJECT_NULL) {
5397 	    (prev_object->shadow != VM_OBJECT_NULL) ||
5398 	    (prev_object->vo_copy != VM_OBJECT_NULL) ||
5547 	    VM_OBJECT_NULL,
5550 	if (object == VM_OBJECT_NULL) {
5555 	if (object != VM_OBJECT_NULL) {
5586 	if (object == VM_OBJECT_NULL) {
5643 	assert(object->vo_copy == VM_OBJECT_NULL);
5841 	if (object == VM_OBJECT_NULL) {
5859 	assert(object->vo_copy == VM_OBJECT_NULL);
6175 	if (object == VM_OBJECT_NULL) {
6255 	if (object == VM_OBJECT_NULL) {
6287 	tmp_object = VM_OBJECT_NULL;
6291 	    object1 == VM_OBJECT_NULL ||
6292 	    object2 == VM_OBJECT_NULL) {
6568 	if (tmp_object != VM_OBJECT_NULL) {
6576 		tmp_object = VM_OBJECT_NULL;
7488 	assert(object != VM_OBJECT_NULL);
7706 	assert(object != VM_OBJECT_NULL );
8231 	if (object != VM_OBJECT_NULL) {
8520 	assert(object->shadow == VM_OBJECT_NULL);
8764 	assert(object->shadow == VM_OBJECT_NULL);
8767 		assert(object->vo_copy == VM_OBJECT_NULL);