294 	.copy = VM_OBJECT_NULL,
295 	.shadow = VM_OBJECT_NULL,
652 	vm_object_t     shadow = VM_OBJECT_NULL;  in vm_object_deallocate()
657 	if (object == VM_OBJECT_NULL) {  in vm_object_deallocate()
688 	    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
722 		    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
758 	while (object != VM_OBJECT_NULL) {  in vm_object_deallocate()
804 			    object->shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
851 		shadow = object->pageout?VM_OBJECT_NULL:object->shadow;  in vm_object_deallocate()
856 		if (shadow != VM_OBJECT_NULL) {  in vm_object_deallocate()
1019 	vm_object_t     object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1020 	vm_object_t     next_obj = VM_OBJECT_NULL;  in vm_object_cache_evict()
1075 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1086 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1099 				object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1110 		if (object == VM_OBJECT_NULL) {  in vm_object_cache_evict()
1209 		object = VM_OBJECT_NULL;  in vm_object_cache_evict()
1314 	if (((shadow_object = object->shadow) != VM_OBJECT_NULL) &&  in vm_object_terminate()
1318 			shadow_object->copy = VM_OBJECT_NULL;  in vm_object_terminate()
1361 	object = VM_OBJECT_NULL;  in vm_object_terminate()
1521 		assert(object->shadow != VM_OBJECT_NULL);  in vm_object_reap()
1553 	object->shadow = VM_OBJECT_NULL;  in vm_object_reap()
1567 	object = VM_OBJECT_NULL;  in vm_object_reap()
1874 		    object->pageout ? VM_OBJECT_NULL : object->shadow;  in vm_object_reaper_thread()
1878 		object = VM_OBJECT_NULL;  in vm_object_reaper_thread()
1880 		if (shadow_object != VM_OBJECT_NULL) {  in vm_object_reaper_thread()
1886 			shadow_object = VM_OBJECT_NULL;  in vm_object_reaper_thread()
1935 	if (object == VM_OBJECT_NULL) {  in vm_object_destroy()
2683 	if (object == VM_OBJECT_NULL) {  in vm_object_pmap_protect_options()
2877 			if (next_object != VM_OBJECT_NULL) {  in vm_object_pmap_protect_options()
2948 		*_result_object = VM_OBJECT_NULL;  in vm_object_copy_slowly()
2998 				*_result_object = VM_OBJECT_NULL;  in vm_object_copy_slowly()
3017 			    src_object->shadow == VM_OBJECT_NULL &&  in vm_object_copy_slowly()
3159 				*_result_object = VM_OBJECT_NULL;  in vm_object_copy_slowly()
3182 				*_result_object = VM_OBJECT_NULL;  in vm_object_copy_slowly()
3230 	if (object == VM_OBJECT_NULL) {  in vm_object_copy_quickly()
3363 	assert(src_object->copy != VM_OBJECT_NULL);  in vm_object_copy_call()
3430 	vm_object_t             new_copy = VM_OBJECT_NULL;  in vm_object_copy_delayed()
3501 	if (old_copy != VM_OBJECT_NULL) {  in vm_object_copy_delayed()
3582 							if (new_copy != VM_OBJECT_NULL) {  in vm_object_copy_delayed()
3590 							return VM_OBJECT_NULL;  in vm_object_copy_delayed()
3615 			if (new_copy != VM_OBJECT_NULL) {  in vm_object_copy_delayed()
3633 		if (new_copy == VM_OBJECT_NULL) {  in vm_object_copy_delayed()
3657 	} else if (new_copy == VM_OBJECT_NULL) {  in vm_object_copy_delayed()
3697 				return VM_OBJECT_NULL;  in vm_object_copy_delayed()
3709 	if (old_copy != VM_OBJECT_NULL) {  in vm_object_copy_delayed()
3768 	assert(src_object != VM_OBJECT_NULL);  in vm_object_copy_strategically()
3798 			*dst_object = VM_OBJECT_NULL;  in vm_object_copy_strategically()
3813 		if (*dst_object != VM_OBJECT_NULL) {  in vm_object_copy_strategically()
3874 	assert(source != VM_OBJECT_NULL);  in vm_object_shadow()
3875 	if (source == VM_OBJECT_NULL) {  in vm_object_shadow()
3933 		    (source->shadow == VM_OBJECT_NULL ||  in vm_object_shadow()
3934 		    source->shadow->copy == VM_OBJECT_NULL)) {  in vm_object_shadow()
3960 	if ((result = vm_object_allocate(length)) == VM_OBJECT_NULL) {  in vm_object_shadow()
4094 	if (object != VM_OBJECT_NULL) {  in vm_object_memory_object_associate()
4102 		assert(object != VM_OBJECT_NULL);  in vm_object_memory_object_associate()
4179 	vm_object_t             pager_object = VM_OBJECT_NULL;  in vm_object_compressor_pager_create()
4509 		backing_object->shadow = VM_OBJECT_NULL;  in vm_object_do_collapse()
4515 	assert((object->shadow == VM_OBJECT_NULL) ||  in vm_object_do_collapse()
4531 	assert(backing_object->shadow == VM_OBJECT_NULL);  in vm_object_do_collapse()
4596 		backing_object->copy = VM_OBJECT_NULL;  in vm_object_do_bypass()
4702 	if (object == VM_OBJECT_NULL) {  in vm_object_collapse()
4733 		if (backing_object == VM_OBJECT_NULL) {  in vm_object_collapse()
4814 		if (backing_object->shadow != VM_OBJECT_NULL &&  in vm_object_collapse()
5214 	if (next_object != VM_OBJECT_NULL) {  in vm_object_coalesce()
5218 	if (prev_object == VM_OBJECT_NULL) {  in vm_object_coalesce()
5242 	    (prev_object->shadow != VM_OBJECT_NULL) ||  in vm_object_coalesce()
5243 	    (prev_object->copy != VM_OBJECT_NULL) ||  in vm_object_coalesce()
5387 	    VM_OBJECT_NULL,  in memory_object_create_named()
5390 	if (object == VM_OBJECT_NULL) {  in memory_object_create_named()
5395 	if (object != VM_OBJECT_NULL) {  in memory_object_create_named()
5430 	if (object == VM_OBJECT_NULL) {  in memory_object_recover_named()
5490 	while (object != VM_OBJECT_NULL) {  in vm_object_release_name()
5537 		shadow = object->pageout?VM_OBJECT_NULL:object->shadow;  in vm_object_release_name()
5547 			if (shadow != VM_OBJECT_NULL) {  in vm_object_release_name()
5586 	if (object == VM_OBJECT_NULL) {  in vm_object_lock_request()
5643 	assert(object->copy == VM_OBJECT_NULL);  in vm_object_purge()
5842 	if (object == VM_OBJECT_NULL) {  in vm_object_purgable_control()
5860 	assert(object->copy == VM_OBJECT_NULL);  in vm_object_purgable_control()
6176 	if (object == VM_OBJECT_NULL) {  in vm_object_get_page_counts()
6256 	if (object == VM_OBJECT_NULL) {  in vm_object_reference()
6289 	tmp_object = VM_OBJECT_NULL;  in vm_object_transpose()
6293 	    object1 == VM_OBJECT_NULL ||  in vm_object_transpose()
6294 	    object2 == VM_OBJECT_NULL) {  in vm_object_transpose()
6573 	if (tmp_object != VM_OBJECT_NULL) {  in vm_object_transpose()
6581 		tmp_object = VM_OBJECT_NULL;  in vm_object_transpose()
7500 	assert(object != VM_OBJECT_NULL);  in vm_object_compressed_freezer_pageout()
7717 	assert(object != VM_OBJECT_NULL );  in vm_object_pageout()
8133 	assert(object->shadow == VM_OBJECT_NULL);  in vm_object_ledger_tag_ledgers()
8310 	assert(object->shadow == VM_OBJECT_NULL);  in vm_object_ownership_change()
8311 	assert(object->copy == VM_OBJECT_NULL);  in vm_object_ownership_change()