271 	.vo_copy = VM_OBJECT_NULL,
273 	.shadow = VM_OBJECT_NULL,
624 	vm_object_t     shadow = VM_OBJECT_NULL;  in vm_object_deallocate()
629 	if (object == VM_OBJECT_NULL) {  in vm_object_deallocate()
660 	    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
694 		    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
730 	while (object != VM_OBJECT_NULL) {  in vm_object_deallocate()
776 			    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
823 		shadow = object->pageout?VM_OBJECT_NULL:object->shadow;  in vm_object_deallocate()
828 		if (shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
991 	vm_object_t     object = VM_OBJECT_NULL;  in vm_object_cache_evict()
992 	vm_object_t     next_obj = VM_OBJECT_NULL;  in vm_object_cache_evict()
1047 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1058 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1071 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1082 		if (object == VM_OBJECT_NULL) {  in vm_object_cache_evict()
1181 		object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1286 	if (((shadow_object = object->shadow) != VM_OBJECT_NULL) &&  in vm_object_terminate()
1290 			VM_OBJECT_COPY_SET(shadow_object, VM_OBJECT_NULL);  in vm_object_terminate()
1333 	object = VM_OBJECT_NULL;  in vm_object_terminate()
1493 		assert(object->shadow != VM_OBJECT_NULL);  in vm_object_reap()
1525 	object->shadow = VM_OBJECT_NULL;  in vm_object_reap()
1538 	object = VM_OBJECT_NULL;  in vm_object_reap()
1845 		    object->pageout ? VM_OBJECT_NULL : object->shadow;  in vm_object_reaper_thread()
1849 		object = VM_OBJECT_NULL;  in vm_object_reaper_thread()
1851 		if (shadow_object != VM_OBJECT_NULL) {  in vm_object_reaper_thread()
1857 			shadow_object = VM_OBJECT_NULL;  in vm_object_reaper_thread()
1910 	if (object == VM_OBJECT_NULL) {  in vm_object_destroy()
2740 	if (object == VM_OBJECT_NULL) {
2934 			if (next_object != VM_OBJECT_NULL) {
3005 		*_result_object = VM_OBJECT_NULL;
3055 				*_result_object = VM_OBJECT_NULL;
3074 			    src_object->shadow == VM_OBJECT_NULL &&
3217 				*_result_object = VM_OBJECT_NULL;
3240 				*_result_object = VM_OBJECT_NULL;
3287 	if (object == VM_OBJECT_NULL) {
3358 	vm_object_t             new_copy = VM_OBJECT_NULL;
3429 	if (old_copy != VM_OBJECT_NULL) {
3510 							if (new_copy != VM_OBJECT_NULL) {
3518 							return VM_OBJECT_NULL;
3544 			if (new_copy != VM_OBJECT_NULL) {
3562 		if (new_copy == VM_OBJECT_NULL) {
3586 	} else if (new_copy == VM_OBJECT_NULL) {
3626 				return VM_OBJECT_NULL;
3639 	if (old_copy != VM_OBJECT_NULL) {
3699 	assert(src_object != VM_OBJECT_NULL);
3729 			*dst_object = VM_OBJECT_NULL;
3757 		if (*dst_object != VM_OBJECT_NULL) {
3813 	assert(source != VM_OBJECT_NULL);
3814 	if (source == VM_OBJECT_NULL) {
3860 			    (source->shadow == VM_OBJECT_NULL ||
3861 			    source->shadow->vo_copy == VM_OBJECT_NULL)) {
3888 	if ((result = vm_object_allocate(length)) == VM_OBJECT_NULL) {
4022 	if (object != VM_OBJECT_NULL) {
4030 		assert(object != VM_OBJECT_NULL);
4107 	vm_object_t             pager_object = VM_OBJECT_NULL;
4437 		backing_object->shadow = VM_OBJECT_NULL;
4443 	assert((object->shadow == VM_OBJECT_NULL) ||
4459 	assert(backing_object->shadow == VM_OBJECT_NULL);
4523 		VM_OBJECT_COPY_SET(backing_object, VM_OBJECT_NULL);
4628 	if (object == VM_OBJECT_NULL) {
4659 		if (backing_object == VM_OBJECT_NULL) {
4740 		if (backing_object->shadow != VM_OBJECT_NULL &&
5143 	if (next_object != VM_OBJECT_NULL) {
5147 	if (prev_object == VM_OBJECT_NULL) {
5171 	    (prev_object->shadow != VM_OBJECT_NULL) ||
5172 	    (prev_object->vo_copy != VM_OBJECT_NULL) ||
5316 	    VM_OBJECT_NULL,
5319 	if (object == VM_OBJECT_NULL) {
5324 	if (object != VM_OBJECT_NULL) {
5355 	if (object == VM_OBJECT_NULL) {
5412 	assert(object->vo_copy == VM_OBJECT_NULL);
5611 	if (object == VM_OBJECT_NULL) {
5629 	assert(object->vo_copy == VM_OBJECT_NULL);
5945 	if (object == VM_OBJECT_NULL) {
6025 	if (object == VM_OBJECT_NULL) {
6058 	tmp_object = VM_OBJECT_NULL;
6062 	    object1 == VM_OBJECT_NULL ||
6063 	    object2 == VM_OBJECT_NULL) {
6342 	if (tmp_object != VM_OBJECT_NULL) {
6350 		tmp_object = VM_OBJECT_NULL;
7253 	assert(object != VM_OBJECT_NULL);
7470 	assert(object != VM_OBJECT_NULL );
7886 	assert(object->shadow == VM_OBJECT_NULL);
8071 	assert(object->shadow == VM_OBJECT_NULL);
8072 	assert(object->vo_copy == VM_OBJECT_NULL);