bsd/kern/uipc_mbuf.c

113  * MC_CL:
125  *	It is backed by MC_MBUF and MC_CL rudimentary caches.  Several
332 	MC_CL,		/* Cluster */
584 	{ MC_CL, NULL, TAILQ_HEAD_INITIALIZER(m_slablist(MC_CL)),
815 	MEXT_INIT(m, buf, m_maxsize(MC_CL), NULL, NULL, rfa, ref, flag)
985 		case MC_CL:
1192 	m_minlimit(MC_CL) = c;
1193 	m_maxlimit(MC_CL) = s + c;			/* in 2KB unit */
1194 	m_maxsize(MC_CL) = m_size(MC_CL) = MCLBYTES;
1195 	(void) snprintf(m_cname(MC_CL), MAX_MBUF_CNAME, "cl");
1218 	m_maxlimit(MC_MBUF_CL) = m_maxlimit(MC_CL);
1220 	m_size(MC_MBUF_CL) = m_size(MC_MBUF) + m_size(MC_CL);
1248 	mbstat.m_mclbytes = m_maxsize(MC_CL);
1480 	freelist_init(m_class(MC_CL));
1602 	if ((class == MC_MBUF || class == MC_CL) && (wait & MCR_COMP))
1623 	} else if (class == MC_CL) {
1647 	if (class == MC_CL) {
1648 		mbstat.m_clfree = (--m_infree(MC_CL)) + m_infree(MC_MBUF_CL);
1712 		VERIFY(class != MC_CL || sp->sl_refcnt == NCLPBG);
1738 	if (class == MC_CL) {
1808 	if (class == MC_CL) {
1809 		mbstat.m_clfree = (++m_infree(MC_CL)) + m_infree(MC_MBUF_CL);
1867 	} else if (class == MC_CL && sp->sl_refcnt == 0 &&
1874 		m_total(MC_CL) -= NCLPBG;
1875 		mbstat.m_clusters = m_total(MC_CL);
1876 		m_infree(MC_CL) -= NCLPBG;
1878 		VERIFY(m_total(MC_CL) >= m_minlimit(MC_CL));
1951 			VERIFY(m_infree(class) == 0 || class == MC_CL);
2185 		cl_class = MC_CL;
2219 		if (cl_class == MC_CL) {
2272 				slab_free(MC_CL, cl);
2368 		cl_class = MC_CL;
2417 			cl_mca = mcl_audit_buf2mca(MC_CL, (mcache_obj_t *)cl);
2442 					size = m_maxsize(MC_CL);
2583 		mca = mcl_audit_buf2mca(MC_CL, cl);
2585 			size = m_maxsize(MC_CL);
2862 	VERIFY(class == MC_MBUF || class == MC_CL || class == MC_BIGCL ||
2869 	case MC_CL:
2893 	VERIFY(class == MC_MBUF || class == MC_CL);
2969 		} else { /* MC_CL */
2971 			    m_infree(MC_CL) + m_infree(MC_MBUF_CL);
2972 			mbstat.m_clusters = m_total(MC_CL);
2998 	VERIFY(class == MC_CL || class == MC_BIGCL);
3023 	case MC_CL:
3065 	case MC_CL:
3099 	VERIFY(m_total(MC_CL) <= m_maxlimit(MC_CL));
3109 		m_wantpurge(MC_CL)++;
3115 	case MC_CL:
3125 		m_wantpurge(MC_CL)++;
3280 				mcache_free(m_cache(MC_CL), m->m_ext.ext_buf);
3351 				mcache_free(m_cache(MC_CL), m->m_ext.ext_buf);
3479 	return (mcache_alloc(m_cache(MC_CL), mcflags));
3486 	mcache_free(m_cache(MC_CL), p);
3643 	ASSERT(bufsize == m_maxsize(MC_CL) ||
3667 	if (bufsize == m_maxsize(MC_CL))
3772 		} else if (packetlen > m_maxsize(MC_CL)) {
3779 			bufsize = m_maxsize(MC_CL);
3781 	} else if (wantsize == m_maxsize(MC_CL) ||
3793 			bufsize = m_maxsize(MC_CL);
3917 			else if (resid > m_maxsize(MC_CL))
3920 				r_bufsize = m_maxsize(MC_CL);
3935 		if (r_bufsize <= m_maxsize(MC_CL))
3955 	if (bufsize <= m_maxsize(MC_CL))
4075 	    m_maxsize(MC_CL)));
4088 	    m_maxsize(MC_CL)));
4104 	    m_maxsize(MC_CL)));
4280 		mcache_free_ext(m_cache(MC_CL), mcl_list);
4963 				m->m_len = len = MIN(len, m_maxsize(MC_CL));
5022 	m_clusters = m_total(MC_CL);
5028 	m_clfree = m_infree(MC_CL);
5490 			if (m->m_len <= m_maxsize(MC_CL))
5865 		if (class == MC_CL) {
5886 		if (class == MC_CL) {
6005 			    (m_total(MC_CL) - m_infree(MC_CL));
6006 			if ((n + m_total(MC_CL)) > m_maxlimit(MC_CL))
6007 				n = m_maxlimit(MC_CL) - m_total(MC_CL);
6010 			if (n > 0 && freelist_populate(MC_CL, n, M_WAIT) > 0)
6048 			    (m_total(MC_BIGCL) + m_total(MC_CL))) {
6316 	case MC_CL:
6767 		} else if (m_class(i) == MC_CL) {