Symbol: CB_EXTEND
sys/kern/uipc_mbuf.c
1480
m_copyback_internal(&m0, off, len, cp, CB_COPYBACK|CB_EXTEND,
sys/kern/uipc_mbuf.c
1560
KASSERT((~flags & (CB_EXTEND|CB_COW)) != 0);
sys/kern/uipc_mbuf.c
1570
if ((flags & CB_EXTEND) == 0)
sys/kern/uipc_mbuf.c
1712
KASSERT((flags & CB_EXTEND) != 0);