VMSCAN_THROTTLE_ISOLATED
#define _VMSCAN_THROTTLE_ISOLATED (1 << VMSCAN_THROTTLE_ISOLATED)
reclaim_throttle(pgdat, VMSCAN_THROTTLE_ISOLATED);
wqh = &pgdat->reclaim_wait[VMSCAN_THROTTLE_ISOLATED];
reclaim_throttle(pgdat, VMSCAN_THROTTLE_ISOLATED);
case VMSCAN_THROTTLE_ISOLATED: