M_PHCACHE
m->m_flags &= (M_EXT | M_EXT_CLUSTER | M_CLCACHE | M_PHCACHE);
if (m->m_flags & M_PHCACHE) {
if (m->m_flags & M_PHCACHE)
if (m->m_flags & M_PHCACHE)
if (m->m_flags & M_PHCACHE)
if (m->m_flags & M_PHCACHE)
if (m->m_flags & M_PHCACHE) {
m->m_flags = M_PKTHDR | M_PHCACHE;