290 	.copy = VM_OBJECT_NULL,
291 	.shadow = VM_OBJECT_NULL,
642 	vm_object_t     shadow = VM_OBJECT_NULL;  in vm_object_deallocate()
647 	if (object == VM_OBJECT_NULL) {  in vm_object_deallocate()
678 	    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
712 		    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
748 	while (object != VM_OBJECT_NULL) {  in vm_object_deallocate()
794 			    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
841 		shadow = object->pageout?VM_OBJECT_NULL:object->shadow;  in vm_object_deallocate()
846 		if (shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
1009 	vm_object_t     object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1010 	vm_object_t     next_obj = VM_OBJECT_NULL;  in vm_object_cache_evict()
1065 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1076 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1089 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1100 		if (object == VM_OBJECT_NULL) {  in vm_object_cache_evict()
1199 		object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1304 	if (((shadow_object = object->shadow) != VM_OBJECT_NULL) &&  in vm_object_terminate()
1308 			shadow_object->copy = VM_OBJECT_NULL;  in vm_object_terminate()
1351 	object = VM_OBJECT_NULL;  in vm_object_terminate()
1511 		assert(object->shadow != VM_OBJECT_NULL);  in vm_object_reap()
1543 	object->shadow = VM_OBJECT_NULL;  in vm_object_reap()
1556 	object = VM_OBJECT_NULL;  in vm_object_reap()
1863 		    object->pageout ? VM_OBJECT_NULL : object->shadow;  in vm_object_reaper_thread()
1867 		object = VM_OBJECT_NULL;  in vm_object_reaper_thread()
1869 		if (shadow_object != VM_OBJECT_NULL) {  in vm_object_reaper_thread()
1875 			shadow_object = VM_OBJECT_NULL;  in vm_object_reaper_thread()
1924 	if (object == VM_OBJECT_NULL) {  in vm_object_destroy()
2672 	if (object == VM_OBJECT_NULL) {  in vm_object_pmap_protect_options()
2866 			if (next_object != VM_OBJECT_NULL) {  in vm_object_pmap_protect_options()
2937 		*_result_object = VM_OBJECT_NULL;  in vm_object_copy_slowly()
2987 				*_result_object = VM_OBJECT_NULL;  in vm_object_copy_slowly()
3006 			    src_object->shadow == VM_OBJECT_NULL &&  in vm_object_copy_slowly()
3148 				*_result_object = VM_OBJECT_NULL;  in vm_object_copy_slowly()
3171 				*_result_object = VM_OBJECT_NULL;  in vm_object_copy_slowly()
3218 	if (object == VM_OBJECT_NULL) {  in vm_object_copy_quickly()
3351 	assert(src_object->copy != VM_OBJECT_NULL);  in vm_object_copy_call()
3418 	vm_object_t             new_copy = VM_OBJECT_NULL;  in vm_object_copy_delayed()
3489 	if (old_copy != VM_OBJECT_NULL) {  in vm_object_copy_delayed()
3570 							if (new_copy != VM_OBJECT_NULL) {  in vm_object_copy_delayed()
3578 							return VM_OBJECT_NULL;  in vm_object_copy_delayed()
3603 			if (new_copy != VM_OBJECT_NULL) {  in vm_object_copy_delayed()
3621 		if (new_copy == VM_OBJECT_NULL) {  in vm_object_copy_delayed()
3645 	} else if (new_copy == VM_OBJECT_NULL) {  in vm_object_copy_delayed()
3685 				return VM_OBJECT_NULL;  in vm_object_copy_delayed()
3697 	if (old_copy != VM_OBJECT_NULL) {  in vm_object_copy_delayed()
3756 	assert(src_object != VM_OBJECT_NULL);  in vm_object_copy_strategically()
3786 			*dst_object = VM_OBJECT_NULL;  in vm_object_copy_strategically()
3801 		if (*dst_object != VM_OBJECT_NULL) {  in vm_object_copy_strategically()
3862 	assert(source != VM_OBJECT_NULL);  in vm_object_shadow()
3863 	if (source == VM_OBJECT_NULL) {  in vm_object_shadow()
3921 		    (source->shadow == VM_OBJECT_NULL ||  in vm_object_shadow()
3922 		    source->shadow->copy == VM_OBJECT_NULL)) {  in vm_object_shadow()
3948 	if ((result = vm_object_allocate(length)) == VM_OBJECT_NULL) {  in vm_object_shadow()
4082 	if (object != VM_OBJECT_NULL) {  in vm_object_memory_object_associate()
4090 		assert(object != VM_OBJECT_NULL);  in vm_object_memory_object_associate()
4167 	vm_object_t             pager_object = VM_OBJECT_NULL;  in vm_object_compressor_pager_create()
4497 		backing_object->shadow = VM_OBJECT_NULL;  in vm_object_do_collapse()
4503 	assert((object->shadow == VM_OBJECT_NULL) ||  in vm_object_do_collapse()
4519 	assert(backing_object->shadow == VM_OBJECT_NULL);  in vm_object_do_collapse()
4583 		backing_object->copy = VM_OBJECT_NULL;  in vm_object_do_bypass()
4689 	if (object == VM_OBJECT_NULL) {  in vm_object_collapse()
4720 		if (backing_object == VM_OBJECT_NULL) {  in vm_object_collapse()
4801 		if (backing_object->shadow != VM_OBJECT_NULL &&  in vm_object_collapse()
5201 	if (next_object != VM_OBJECT_NULL) {  in vm_object_coalesce()
5205 	if (prev_object == VM_OBJECT_NULL) {  in vm_object_coalesce()
5229 	    (prev_object->shadow != VM_OBJECT_NULL) ||  in vm_object_coalesce()
5230 	    (prev_object->copy != VM_OBJECT_NULL) ||  in vm_object_coalesce()
5374 	    VM_OBJECT_NULL,  in memory_object_create_named()
5377 	if (object == VM_OBJECT_NULL) {  in memory_object_create_named()
5382 	if (object != VM_OBJECT_NULL) {  in memory_object_create_named()
5417 	if (object == VM_OBJECT_NULL) {  in memory_object_recover_named()
5477 	while (object != VM_OBJECT_NULL) {  in vm_object_release_name()
5524 		shadow = object->pageout?VM_OBJECT_NULL:object->shadow;  in vm_object_release_name()
5534 			if (shadow != VM_OBJECT_NULL) {  in vm_object_release_name()
5573 	if (object == VM_OBJECT_NULL) {  in vm_object_lock_request()
5630 	assert(object->copy == VM_OBJECT_NULL);  in vm_object_purge()
5829 	if (object == VM_OBJECT_NULL) {  in vm_object_purgable_control()
5847 	assert(object->copy == VM_OBJECT_NULL);  in vm_object_purgable_control()
6163 	if (object == VM_OBJECT_NULL) {  in vm_object_get_page_counts()
6243 	if (object == VM_OBJECT_NULL) {  in vm_object_reference()
6276 	tmp_object = VM_OBJECT_NULL;  in vm_object_transpose()
6280 	    object1 == VM_OBJECT_NULL ||  in vm_object_transpose()
6281 	    object2 == VM_OBJECT_NULL) {  in vm_object_transpose()
6560 	if (tmp_object != VM_OBJECT_NULL) {  in vm_object_transpose()
6568 		tmp_object = VM_OBJECT_NULL;  in vm_object_transpose()
7487 	assert(object != VM_OBJECT_NULL);  in vm_object_compressed_freezer_pageout()
7704 	assert(object != VM_OBJECT_NULL );  in vm_object_pageout()
8120 	assert(object->shadow == VM_OBJECT_NULL);  in vm_object_ledger_tag_ledgers()
8297 	assert(object->shadow == VM_OBJECT_NULL);  in vm_object_ownership_change()
8298 	assert(object->copy == VM_OBJECT_NULL);  in vm_object_ownership_change()