CDP_ON_ACTIVE_LIST
KASSERT((cdp->cdp_flags & (CDP_ACTIVE | CDP_ON_ACTIVE_LIST)) == 0,
KASSERT((cdp->cdp_flags & CDP_ON_ACTIVE_LIST) != 0,
cdp->cdp_flags &= ~CDP_ON_ACTIVE_LIST;
KASSERT((cdp->cdp_flags & CDP_ON_ACTIVE_LIST) == 0,
cdp->cdp_flags |= (CDP_ACTIVE | CDP_ON_ACTIVE_LIST);
KASSERT((cdp->cdp_flags & CDP_ON_ACTIVE_LIST) != 0,
cdp->cdp_flags &= ~CDP_ON_ACTIVE_LIST;
KASSERT((cdp->cdp_flags & CDP_ON_ACTIVE_LIST) == 0,