283 	.vo_copy = VM_OBJECT_NULL,
286 	.shadow = VM_OBJECT_NULL,
623 	vm_object_t     shadow = VM_OBJECT_NULL;  in vm_object_deallocate()
628 	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()
784 			    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
829 		shadow = object->pageout?VM_OBJECT_NULL:object->shadow;  in vm_object_deallocate()
834 		if (shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
1007 	vm_object_t     object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1008 	vm_object_t     next_obj = VM_OBJECT_NULL;  in vm_object_cache_evict()
1064 				object = VM_OBJECT_NULL; /* this will cause to break away from the outer loop */  in vm_object_cache_evict()
1075 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1088 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1099 		if (object == VM_OBJECT_NULL) {  in vm_object_cache_evict()
1198 		object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1301 	if (((shadow_object = object->shadow) != VM_OBJECT_NULL) &&  in vm_object_terminate()
1305 			VM_OBJECT_COPY_SET(shadow_object, VM_OBJECT_NULL);  in vm_object_terminate()
1348 	object = VM_OBJECT_NULL;  in vm_object_terminate()
1510 		assert(object->shadow != VM_OBJECT_NULL);  in vm_object_reap()
1542 	object->shadow = VM_OBJECT_NULL;  in vm_object_reap()
1555 	object = VM_OBJECT_NULL;  in vm_object_reap()
1889 		    object->pageout ? VM_OBJECT_NULL : object->shadow;  in vm_object_reaper_thread()
1893 		object = VM_OBJECT_NULL;  in vm_object_reaper_thread()
1895 		if (shadow_object != VM_OBJECT_NULL) {  in vm_object_reaper_thread()
1901 			shadow_object = VM_OBJECT_NULL;  in vm_object_reaper_thread()
1954 	if (object == VM_OBJECT_NULL) {  in vm_object_destroy()
2901 	if (object == VM_OBJECT_NULL) {
3097 			if (next_object != VM_OBJECT_NULL) {
3168 		*_result_object = VM_OBJECT_NULL;
3224 				*_result_object = VM_OBJECT_NULL;
3243 			    src_object->shadow == VM_OBJECT_NULL &&
3386 				*_result_object = VM_OBJECT_NULL;
3409 				*_result_object = VM_OBJECT_NULL;
3456 	if (object == VM_OBJECT_NULL) {
3528 	vm_object_t             new_copy = VM_OBJECT_NULL;
3601 	if (old_copy != VM_OBJECT_NULL) {
3682 							if (new_copy != VM_OBJECT_NULL) {
3690 							return VM_OBJECT_NULL;
3726 			if (new_copy != VM_OBJECT_NULL) {
3744 		if (new_copy == VM_OBJECT_NULL) {
3768 	} else if (new_copy == VM_OBJECT_NULL) {
3808 				return VM_OBJECT_NULL;
3821 	if (old_copy != VM_OBJECT_NULL) {
3882 	assert(src_object != VM_OBJECT_NULL);
3912 			*dst_object = VM_OBJECT_NULL;
3940 		if (*dst_object != VM_OBJECT_NULL) {
3998 	assert(source != VM_OBJECT_NULL);
3999 	if (source == VM_OBJECT_NULL) {
4045 			    (source->shadow == VM_OBJECT_NULL ||
4046 			    source->shadow->vo_copy == VM_OBJECT_NULL)) {
4073 	if ((result = vm_object_allocate(length)) == VM_OBJECT_NULL) {
4207 	if (object != VM_OBJECT_NULL) {
4216 		assert(object != VM_OBJECT_NULL);
4292 	vm_object_t             pager_object = VM_OBJECT_NULL;
4670 		backing_object->shadow = VM_OBJECT_NULL;
4676 	assert((object->shadow == VM_OBJECT_NULL) ||
4692 	assert(backing_object->shadow == VM_OBJECT_NULL);
4756 		VM_OBJECT_COPY_SET(backing_object, VM_OBJECT_NULL);
4863 	if (object == VM_OBJECT_NULL) {
4894 		if (backing_object == VM_OBJECT_NULL) {
4975 		if (backing_object->shadow != VM_OBJECT_NULL &&
5378 	if (next_object != VM_OBJECT_NULL) {
5382 	if (prev_object == VM_OBJECT_NULL) {
5407 	    (prev_object->shadow != VM_OBJECT_NULL) ||
5408 	    (prev_object->vo_copy != VM_OBJECT_NULL) ||
5549 	    VM_OBJECT_NULL,
5552 	if (object == VM_OBJECT_NULL) {
5557 	if (object != VM_OBJECT_NULL) {
5588 	if (object == VM_OBJECT_NULL) {
5645 	assert(object->vo_copy == VM_OBJECT_NULL);
5843 	if (object == VM_OBJECT_NULL) {
5861 	assert(object->vo_copy == VM_OBJECT_NULL);
6177 	if (object == VM_OBJECT_NULL) {
6257 	if (object == VM_OBJECT_NULL) {
6289 	tmp_object = VM_OBJECT_NULL;
6293 	    object1 == VM_OBJECT_NULL ||
6294 	    object2 == VM_OBJECT_NULL) {
6570 	if (tmp_object != VM_OBJECT_NULL) {
6578 		tmp_object = VM_OBJECT_NULL;
7487 	assert(object != VM_OBJECT_NULL);
7707 	assert(object != VM_OBJECT_NULL );
8232 	if (object != VM_OBJECT_NULL) {
8521 	assert(object->shadow == VM_OBJECT_NULL);
8765 	assert(object->shadow == VM_OBJECT_NULL);
8768 		assert(object->vo_copy == VM_OBJECT_NULL);