TDP_IGNSUSP
MPASSERT(mp == NULL || (curthread->td_pflags & TDP_IGNSUSP) != 0 ||
if ((curthread->td_pflags & TDP_IGNSUSP) == 0 ||
curthread->td_pflags &= ~TDP_IGNSUSP;
KASSERT((curthread->td_pflags & TDP_IGNSUSP) == 0,
curthread->td_pflags |= TDP_IGNSUSP;