376 	int expected_count = 1;  in expected_page_refs()  local
382 	expected_count += is_device_private_page(page);  in expected_page_refs()
384 		expected_count += hpage_nr_pages(page) + page_has_private(page);  in expected_page_refs()
386 	return expected_count;  in expected_page_refs()
403 	int expected_count = expected_page_refs(mapping, page) + extra_count;  in migrate_page_move_mapping()  local
407 		if (page_count(page) != expected_count)  in migrate_page_move_mapping()
423 	if (page_count(page) != expected_count || xas_load(&xas) != page) {  in migrate_page_move_mapping()
428 	if (!page_ref_freeze(page, expected_count)) {  in migrate_page_move_mapping()
472 	page_ref_unfreeze(page, expected_count - hpage_nr_pages(page));  in migrate_page_move_mapping()
515 	int expected_count;  in migrate_huge_page_move_mapping()  local
518 	expected_count = 2 + page_has_private(page);  in migrate_huge_page_move_mapping()
519 	if (page_count(page) != expected_count || xas_load(&xas) != page) {  in migrate_huge_page_move_mapping()
524 	if (!page_ref_freeze(page, expected_count)) {  in migrate_huge_page_move_mapping()
536 	page_ref_unfreeze(page, expected_count - 1);  in migrate_huge_page_move_mapping()
742 	int expected_count;  in __buffer_migrate_page()  local
748 	expected_count = expected_page_refs(mapping, page);  in __buffer_migrate_page()
749 	if (page_count(page) != expected_count)  in __buffer_migrate_page()