446 	int expected_count = 1 + extra_count;  in migrate_page_move_mapping()  local
453 	expected_count += is_device_private_page(page);  in migrate_page_move_mapping()
454 	expected_count += is_device_public_page(page);  in migrate_page_move_mapping()
458 		if (page_count(page) != expected_count)  in migrate_page_move_mapping()
478 	expected_count += hpage_nr_pages(page) + page_has_private(page);  in migrate_page_move_mapping()
479 	if (page_count(page) != expected_count ||  in migrate_page_move_mapping()
486 	if (!page_ref_freeze(page, expected_count)) {  in migrate_page_move_mapping()
500 		page_ref_unfreeze(page, expected_count);  in migrate_page_move_mapping()
547 	page_ref_unfreeze(page, expected_count - hpage_nr_pages(page));  in migrate_page_move_mapping()
589 	int expected_count;  in migrate_huge_page_move_mapping()  local
596 	expected_count = 2 + page_has_private(page);  in migrate_huge_page_move_mapping()
597 	if (page_count(page) != expected_count ||  in migrate_huge_page_move_mapping()
603 	if (!page_ref_freeze(page, expected_count)) {  in migrate_huge_page_move_mapping()
615 	page_ref_unfreeze(page, expected_count - 1);  in migrate_huge_page_move_mapping()