Symbol: CB_COPYBACK
sys/kern/uipc_mbuf.c
1480
m_copyback_internal(&m0, off, len, cp, CB_COPYBACK|CB_EXTEND,
sys/kern/uipc_mbuf.c
1498
error = m_copyback_internal(&m0, off, len, cp, CB_COPYBACK|CB_COW,
sys/kern/uipc_mbuf.c
1550
KASSERT((flags & CB_COPYBACK) == 0 || cp != NULL);
sys/kern/uipc_mbuf.c
1693
if (flags & CB_COPYBACK) {