277 	.copy = VM_OBJECT_NULL,
278 	.shadow = VM_OBJECT_NULL,
629 	vm_object_t     shadow = VM_OBJECT_NULL;  in vm_object_deallocate()
634 	if (object == VM_OBJECT_NULL) {  in vm_object_deallocate()
665 	    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
699 		    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
735 	while (object != VM_OBJECT_NULL) {  in vm_object_deallocate()
781 			    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()
996 	vm_object_t     object = VM_OBJECT_NULL;  in vm_object_cache_evict()
997 	vm_object_t     next_obj = VM_OBJECT_NULL;  in vm_object_cache_evict()
1052 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1063 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1076 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1087 		if (object == VM_OBJECT_NULL) {  in vm_object_cache_evict()
1186 		object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1291 	if (((shadow_object = object->shadow) != VM_OBJECT_NULL) &&  in vm_object_terminate()
1295 			shadow_object->copy = VM_OBJECT_NULL;  in vm_object_terminate()
1338 	object = VM_OBJECT_NULL;  in vm_object_terminate()
1498 		assert(object->shadow != VM_OBJECT_NULL);  in vm_object_reap()
1530 	object->shadow = VM_OBJECT_NULL;  in vm_object_reap()
1543 	object = VM_OBJECT_NULL;  in vm_object_reap()
1850 		    object->pageout ? VM_OBJECT_NULL : object->shadow;  in vm_object_reaper_thread()
1854 		object = VM_OBJECT_NULL;  in vm_object_reaper_thread()
1856 		if (shadow_object != VM_OBJECT_NULL) {  in vm_object_reaper_thread()
1862 			shadow_object = VM_OBJECT_NULL;  in vm_object_reaper_thread()
1919 	if (object == VM_OBJECT_NULL) {  in vm_object_destroy()
2695 	if (object == VM_OBJECT_NULL) {  in vm_object_pmap_protect_options()
2889 			if (next_object != VM_OBJECT_NULL) {  in vm_object_pmap_protect_options()
2960 		*_result_object = VM_OBJECT_NULL;  in vm_object_copy_slowly()
3010 				*_result_object = VM_OBJECT_NULL;  in vm_object_copy_slowly()
3029 			    src_object->shadow == VM_OBJECT_NULL &&  in vm_object_copy_slowly()
3172 				*_result_object = VM_OBJECT_NULL;  in vm_object_copy_slowly()
3195 				*_result_object = VM_OBJECT_NULL;  in vm_object_copy_slowly()
3242 	if (object == VM_OBJECT_NULL) {  in vm_object_copy_quickly()
3375 	assert(src_object->copy != VM_OBJECT_NULL);  in vm_object_copy_call()
3442 	vm_object_t             new_copy = VM_OBJECT_NULL;  in vm_object_copy_delayed()
3513 	if (old_copy != VM_OBJECT_NULL) {  in vm_object_copy_delayed()
3594 							if (new_copy != VM_OBJECT_NULL) {  in vm_object_copy_delayed()
3602 							return VM_OBJECT_NULL;  in vm_object_copy_delayed()
3627 			if (new_copy != VM_OBJECT_NULL) {  in vm_object_copy_delayed()
3645 		if (new_copy == VM_OBJECT_NULL) {  in vm_object_copy_delayed()
3669 	} else if (new_copy == VM_OBJECT_NULL) {  in vm_object_copy_delayed()
3709 				return VM_OBJECT_NULL;  in vm_object_copy_delayed()
3721 	if (old_copy != VM_OBJECT_NULL) {  in vm_object_copy_delayed()
3780 	assert(src_object != VM_OBJECT_NULL);  in vm_object_copy_strategically()
3810 			*dst_object = VM_OBJECT_NULL;  in vm_object_copy_strategically()
3825 		if (*dst_object != VM_OBJECT_NULL) {  in vm_object_copy_strategically()
3889 	assert(source != VM_OBJECT_NULL);  in vm_object_shadow()
3890 	if (source == VM_OBJECT_NULL) {  in vm_object_shadow()
3936 			    (source->shadow == VM_OBJECT_NULL ||  in vm_object_shadow()
3937 			    source->shadow->copy == VM_OBJECT_NULL)) {  in vm_object_shadow()
3964 	if ((result = vm_object_allocate(length)) == VM_OBJECT_NULL) {  in vm_object_shadow()
4098 	if (object != VM_OBJECT_NULL) {  in vm_object_memory_object_associate()
4106 		assert(object != VM_OBJECT_NULL);  in vm_object_memory_object_associate()
4183 	vm_object_t             pager_object = VM_OBJECT_NULL;  in vm_object_compressor_pager_create()
4513 		backing_object->shadow = VM_OBJECT_NULL;  in vm_object_do_collapse()
4519 	assert((object->shadow == VM_OBJECT_NULL) ||  in vm_object_do_collapse()
4535 	assert(backing_object->shadow == VM_OBJECT_NULL);  in vm_object_do_collapse()
4599 		backing_object->copy = VM_OBJECT_NULL;  in vm_object_do_bypass()
4704 	if (object == VM_OBJECT_NULL) {  in vm_object_collapse()
4735 		if (backing_object == VM_OBJECT_NULL) {  in vm_object_collapse()
4816 		if (backing_object->shadow != VM_OBJECT_NULL &&  in vm_object_collapse()
5219 	if (next_object != VM_OBJECT_NULL) {  in vm_object_coalesce()
5223 	if (prev_object == VM_OBJECT_NULL) {  in vm_object_coalesce()
5247 	    (prev_object->shadow != VM_OBJECT_NULL) ||  in vm_object_coalesce()
5248 	    (prev_object->copy != VM_OBJECT_NULL) ||  in vm_object_coalesce()
5392 	    VM_OBJECT_NULL,  in memory_object_create_named()
5395 	if (object == VM_OBJECT_NULL) {  in memory_object_create_named()
5400 	if (object != VM_OBJECT_NULL) {  in memory_object_create_named()
5431 	if (object == VM_OBJECT_NULL) {  in vm_object_lock_request()
5488 	assert(object->copy == VM_OBJECT_NULL);  in vm_object_purge()
5687 	if (object == VM_OBJECT_NULL) {  in vm_object_purgable_control()
5705 	assert(object->copy == VM_OBJECT_NULL);  in vm_object_purgable_control()
6021 	if (object == VM_OBJECT_NULL) {  in vm_object_get_page_counts()
6101 	if (object == VM_OBJECT_NULL) {  in vm_object_reference()
6134 	tmp_object = VM_OBJECT_NULL;  in vm_object_transpose()
6138 	    object1 == VM_OBJECT_NULL ||  in vm_object_transpose()
6139 	    object2 == VM_OBJECT_NULL) {  in vm_object_transpose()
6418 	if (tmp_object != VM_OBJECT_NULL) {  in vm_object_transpose()
6426 		tmp_object = VM_OBJECT_NULL;  in vm_object_transpose()
7329 	assert(object != VM_OBJECT_NULL);  in vm_object_compressed_freezer_pageout()
7546 	assert(object != VM_OBJECT_NULL );  in vm_object_pageout()
7962 	assert(object->shadow == VM_OBJECT_NULL);  in vm_object_ledger_tag_ledgers()
8147 	assert(object->shadow == VM_OBJECT_NULL);  in vm_object_ownership_change()
8148 	assert(object->copy == VM_OBJECT_NULL);  in vm_object_ownership_change()