lru_deactivate_file
struct folio_batch lru_deactivate_file;
fbatch = &fbatches->lru_deactivate_file;
folio_batch_move_lru(fbatch, lru_deactivate_file);
folio_batch_add_and_move(folio, lru_deactivate_file);
folio_batch_count(&fbatches->lru_deactivate_file) ||