V_pf_state_scrub_z
d->scrub = uma_zalloc(V_pf_state_scrub_z, M_NOWAIT | M_ZERO);
src->scrub = uma_zalloc(V_pf_state_scrub_z, M_ZERO | M_NOWAIT);
uma_zfree(V_pf_state_scrub_z, state->src.scrub);
uma_zfree(V_pf_state_scrub_z, state->dst.scrub);
src->scrub = uma_zalloc(V_pf_state_scrub_z, M_ZERO | M_NOWAIT);
dst->scrub = uma_zalloc(V_pf_state_scrub_z, M_ZERO | M_NOWAIT);
uma_zfree(V_pf_state_scrub_z, src);
V_pf_state_scrub_z = uma_zcreate("pf state scrubs",
uma_zdestroy(V_pf_state_scrub_z);