MDTC_INIT        1565 mm/page-writeback.c 	struct dirty_throttle_control mdtc_stor = { MDTC_INIT(wb, &gdtc_stor) };
MDTC_INIT        1931 mm/page-writeback.c 	struct dirty_throttle_control mdtc_stor = { MDTC_INIT(wb, &gdtc_stor) };