277 	.vo_copy = VM_OBJECT_NULL,
280 	.shadow = VM_OBJECT_NULL,
613 	vm_object_t     shadow = VM_OBJECT_NULL;  in vm_object_deallocate()
618 	if (object == VM_OBJECT_NULL) {  in vm_object_deallocate()
649 	    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
683 		    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
719 	while (object != VM_OBJECT_NULL) {  in vm_object_deallocate()
765 			    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
810 		shadow = object->pageout?VM_OBJECT_NULL:object->shadow;  in vm_object_deallocate()
815 		if (shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
987 	vm_object_t     object = VM_OBJECT_NULL;  in vm_object_cache_evict()
988 	vm_object_t     next_obj = VM_OBJECT_NULL;  in vm_object_cache_evict()
1044 				object = VM_OBJECT_NULL; /* this will cause to break away from the outer loop */  in vm_object_cache_evict()
1055 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1068 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1079 		if (object == VM_OBJECT_NULL) {  in vm_object_cache_evict()
1178 		object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1283 	if (((shadow_object = object->shadow) != VM_OBJECT_NULL) &&  in vm_object_terminate()
1287 			VM_OBJECT_COPY_SET(shadow_object, VM_OBJECT_NULL);  in vm_object_terminate()
1330 	object = VM_OBJECT_NULL;  in vm_object_terminate()
1487 		assert(object->shadow != VM_OBJECT_NULL);  in vm_object_reap()
1519 	object->shadow = VM_OBJECT_NULL;  in vm_object_reap()
1532 	object = VM_OBJECT_NULL;  in vm_object_reap()
1867 		    object->pageout ? VM_OBJECT_NULL : object->shadow;  in vm_object_reaper_thread()
1871 		object = VM_OBJECT_NULL;  in vm_object_reaper_thread()
1873 		if (shadow_object != VM_OBJECT_NULL) {  in vm_object_reaper_thread()
1879 			shadow_object = VM_OBJECT_NULL;  in vm_object_reaper_thread()
1932 	if (object == VM_OBJECT_NULL) {  in vm_object_destroy()
2879 	if (object == VM_OBJECT_NULL) {
3073 			if (next_object != VM_OBJECT_NULL) {
3144 		*_result_object = VM_OBJECT_NULL;
3199 				*_result_object = VM_OBJECT_NULL;
3218 			    src_object->shadow == VM_OBJECT_NULL &&
3361 				*_result_object = VM_OBJECT_NULL;
3384 				*_result_object = VM_OBJECT_NULL;
3431 	if (object == VM_OBJECT_NULL) {
3502 	vm_object_t             new_copy = VM_OBJECT_NULL;
3573 	if (old_copy != VM_OBJECT_NULL) {
3654 							if (new_copy != VM_OBJECT_NULL) {
3662 							return VM_OBJECT_NULL;
3698 			if (new_copy != VM_OBJECT_NULL) {
3716 		if (new_copy == VM_OBJECT_NULL) {
3740 	} else if (new_copy == VM_OBJECT_NULL) {
3780 				return VM_OBJECT_NULL;
3793 	if (old_copy != VM_OBJECT_NULL) {
3853 	assert(src_object != VM_OBJECT_NULL);
3883 			*dst_object = VM_OBJECT_NULL;
3911 		if (*dst_object != VM_OBJECT_NULL) {
3967 	assert(source != VM_OBJECT_NULL);
3968 	if (source == VM_OBJECT_NULL) {
4014 			    (source->shadow == VM_OBJECT_NULL ||
4015 			    source->shadow->vo_copy == VM_OBJECT_NULL)) {
4042 	if ((result = vm_object_allocate(length)) == VM_OBJECT_NULL) {
4176 	if (object != VM_OBJECT_NULL) {
4185 		assert(object != VM_OBJECT_NULL);
4261 	vm_object_t             pager_object = VM_OBJECT_NULL;
4638 		backing_object->shadow = VM_OBJECT_NULL;
4644 	assert((object->shadow == VM_OBJECT_NULL) ||
4660 	assert(backing_object->shadow == VM_OBJECT_NULL);
4724 		VM_OBJECT_COPY_SET(backing_object, VM_OBJECT_NULL);
4829 	if (object == VM_OBJECT_NULL) {
4860 		if (backing_object == VM_OBJECT_NULL) {
4941 		if (backing_object->shadow != VM_OBJECT_NULL &&
5344 	if (next_object != VM_OBJECT_NULL) {
5348 	if (prev_object == VM_OBJECT_NULL) {
5373 	    (prev_object->shadow != VM_OBJECT_NULL) ||
5374 	    (prev_object->vo_copy != VM_OBJECT_NULL) ||
5523 	    VM_OBJECT_NULL,
5526 	if (object == VM_OBJECT_NULL) {
5531 	if (object != VM_OBJECT_NULL) {
5562 	if (object == VM_OBJECT_NULL) {
5619 	assert(object->vo_copy == VM_OBJECT_NULL);
5817 	if (object == VM_OBJECT_NULL) {
5835 	assert(object->vo_copy == VM_OBJECT_NULL);
6151 	if (object == VM_OBJECT_NULL) {
6231 	if (object == VM_OBJECT_NULL) {
6264 	tmp_object = VM_OBJECT_NULL;
6268 	    object1 == VM_OBJECT_NULL ||
6269 	    object2 == VM_OBJECT_NULL) {
6549 	if (tmp_object != VM_OBJECT_NULL) {
6557 		tmp_object = VM_OBJECT_NULL;
7469 	assert(object != VM_OBJECT_NULL);
7687 	assert(object != VM_OBJECT_NULL );
8204 	if (object != VM_OBJECT_NULL) {
8295 	assert(object->shadow == VM_OBJECT_NULL);
8539 	assert(object->shadow == VM_OBJECT_NULL);
8542 		assert(object->vo_copy == VM_OBJECT_NULL);