274 	.vo_copy = VM_OBJECT_NULL,
276 	.shadow = VM_OBJECT_NULL,
634 	vm_object_t     shadow = VM_OBJECT_NULL;  in vm_object_deallocate()
639 	if (object == VM_OBJECT_NULL) {  in vm_object_deallocate()
670 	    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
704 		    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
740 	while (object != VM_OBJECT_NULL) {  in vm_object_deallocate()
786 			    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
833 		shadow = object->pageout?VM_OBJECT_NULL:object->shadow;  in vm_object_deallocate()
838 		if (shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
1002 	vm_object_t     object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1003 	vm_object_t     next_obj = VM_OBJECT_NULL;  in vm_object_cache_evict()
1058 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1069 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1082 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1093 		if (object == VM_OBJECT_NULL) {  in vm_object_cache_evict()
1192 		object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1297 	if (((shadow_object = object->shadow) != VM_OBJECT_NULL) &&  in vm_object_terminate()
1301 			VM_OBJECT_COPY_SET(shadow_object, VM_OBJECT_NULL);  in vm_object_terminate()
1344 	object = VM_OBJECT_NULL;  in vm_object_terminate()
1504 		assert(object->shadow != VM_OBJECT_NULL);  in vm_object_reap()
1536 	object->shadow = VM_OBJECT_NULL;  in vm_object_reap()
1549 	object = VM_OBJECT_NULL;  in vm_object_reap()
1856 		    object->pageout ? VM_OBJECT_NULL : object->shadow;  in vm_object_reaper_thread()
1860 		object = VM_OBJECT_NULL;  in vm_object_reaper_thread()
1862 		if (shadow_object != VM_OBJECT_NULL) {  in vm_object_reaper_thread()
1868 			shadow_object = VM_OBJECT_NULL;  in vm_object_reaper_thread()
1921 	if (object == VM_OBJECT_NULL) {  in vm_object_destroy()
2886 	if (object == VM_OBJECT_NULL) {
3080 			if (next_object != VM_OBJECT_NULL) {
3151 		*_result_object = VM_OBJECT_NULL;
3201 				*_result_object = VM_OBJECT_NULL;
3220 			    src_object->shadow == VM_OBJECT_NULL &&
3363 				*_result_object = VM_OBJECT_NULL;
3386 				*_result_object = VM_OBJECT_NULL;
3433 	if (object == VM_OBJECT_NULL) {
3504 	vm_object_t             new_copy = VM_OBJECT_NULL;
3575 	if (old_copy != VM_OBJECT_NULL) {
3656 							if (new_copy != VM_OBJECT_NULL) {
3664 							return VM_OBJECT_NULL;
3700 			if (new_copy != VM_OBJECT_NULL) {
3718 		if (new_copy == VM_OBJECT_NULL) {
3742 	} else if (new_copy == VM_OBJECT_NULL) {
3782 				return VM_OBJECT_NULL;
3795 	if (old_copy != VM_OBJECT_NULL) {
3855 	assert(src_object != VM_OBJECT_NULL);
3885 			*dst_object = VM_OBJECT_NULL;
3913 		if (*dst_object != VM_OBJECT_NULL) {
3969 	assert(source != VM_OBJECT_NULL);
3970 	if (source == VM_OBJECT_NULL) {
4016 			    (source->shadow == VM_OBJECT_NULL ||
4017 			    source->shadow->vo_copy == VM_OBJECT_NULL)) {
4044 	if ((result = vm_object_allocate(length)) == VM_OBJECT_NULL) {
4178 	if (object != VM_OBJECT_NULL) {
4187 		assert(object != VM_OBJECT_NULL);
4263 	vm_object_t             pager_object = VM_OBJECT_NULL;
4593 		backing_object->shadow = VM_OBJECT_NULL;
4599 	assert((object->shadow == VM_OBJECT_NULL) ||
4615 	assert(backing_object->shadow == VM_OBJECT_NULL);
4679 		VM_OBJECT_COPY_SET(backing_object, VM_OBJECT_NULL);
4784 	if (object == VM_OBJECT_NULL) {
4815 		if (backing_object == VM_OBJECT_NULL) {
4896 		if (backing_object->shadow != VM_OBJECT_NULL &&
5299 	if (next_object != VM_OBJECT_NULL) {
5303 	if (prev_object == VM_OBJECT_NULL) {
5327 	    (prev_object->shadow != VM_OBJECT_NULL) ||
5328 	    (prev_object->vo_copy != VM_OBJECT_NULL) ||
5477 	    VM_OBJECT_NULL,
5480 	if (object == VM_OBJECT_NULL) {
5485 	if (object != VM_OBJECT_NULL) {
5516 	if (object == VM_OBJECT_NULL) {
5573 	assert(object->vo_copy == VM_OBJECT_NULL);
5772 	if (object == VM_OBJECT_NULL) {
5790 	assert(object->vo_copy == VM_OBJECT_NULL);
6106 	if (object == VM_OBJECT_NULL) {
6186 	if (object == VM_OBJECT_NULL) {
6219 	tmp_object = VM_OBJECT_NULL;
6223 	    object1 == VM_OBJECT_NULL ||
6224 	    object2 == VM_OBJECT_NULL) {
6504 	if (tmp_object != VM_OBJECT_NULL) {
6512 		tmp_object = VM_OBJECT_NULL;
7415 	assert(object != VM_OBJECT_NULL);
7633 	assert(object != VM_OBJECT_NULL );
8050 	assert(object->shadow == VM_OBJECT_NULL);
8235 	assert(object->shadow == VM_OBJECT_NULL);
8236 	assert(object->vo_copy == VM_OBJECT_NULL);