RHL_F_DEAD
if (!(ml.rhl_flags & RHL_F_DEAD))
lp->rhl_flags |= RHL_F_DEAD;
!(lp->rhl_flags & RHL_F_DEAD)) {
if (--lp->rhl_refcnt == 0 && (lp->rhl_flags & RHL_F_DEAD))
if (!(lp->rhl_flags & RHL_F_DEAD))
return ((lp->rhl_flags & RHL_F_DEAD) != 0);