EXT_EXTREF
case EXT_EXTREF:
case EXT_EXTREF: type = "EXT_EXTREF"; break;
KASSERT(m->m_ext.ext_type == EXT_EXTREF ||
case EXT_EXTREF:
if (type != EXT_EXTREF) {
} else if (m->m_ext.ext_type == EXT_EXTREF)
m->m_ext.ext_type = EXT_EXTREF;