bsd/kern/uipc_mbuf.c

150  *	  composite object allocation }
212  *	{ m_free(), m_freem_list(), composite object deallocation }
549 	mcache_obj_t	*mtbl_cobjlist;	/* composite objects freelist */
703  * This flag is set for all mbufs that come out of and into the composite
707  * into the mbuf and cluster freelists, the composite mbuf + cluster objects
708  * are placed back into the appropriate composite cache's freelist, and the
709  * actual freeing is deferred until the composite objects are purged.  At
980 			/* Deduct mbufs used in composite caches */
986 			/* Deduct clusters used in composite cache */
991 			/* Deduct clusters used in composite cache */
996 			/* Deduct clusters used in composite cache */
1215 	 * Set limits for the composite classes.
1596 	 * Treat composite objects as having longer lifespan by using
2106  * Obtain object(s) from the composite class's freelist.
2166  * Place object(s) back into a composite class's freelist.
2296  * Common allocator for composite objects called by the CPU cache layer
2298  * the bucket layer.  It returns one or more composite elements from the
2301  * into composite mbuf + cluster objects.
2344 	 * whatever we can get to construct the composite objects.
2349 	 * Mark these allocation requests as coming from a composite cache.
2353 	 * of the already-constructed composite objects are available.
2494  * Common de-allocator for composite objects called by the CPU cache
2522  * Common auditor for composite objects called by the CPU cache layer
3274 		u_int32_t composite;
3277 		composite = (MEXT_FLAGS(m) & EXTF_COMPOSITE);
3278 		if (refcnt == 0 && !composite) {
3293 		} else if (refcnt == 0 && composite) {
3345 		u_int32_t composite;
3348 		composite = (MEXT_FLAGS(m) & EXTF_COMPOSITE);
3349 		if (refcnt == 0 && !composite) {
3364 		} else if (refcnt == 0 && composite) {
3388 			 * the composite mbuf + cluster pair above.
3666 	/* Allocate the composite mbuf + cluster elements from the cache */
3890 	 * Complex cases where elements are made up of one or more composite
3896 	 * Every composite mbuf + cluster element comes from the intermediate
3898 	 * the last composite element will come from the MC_MBUF_CL cache,
3900 	 * big cluster composite cache (MC_MBUF_BIGCL) instead.  Residual
3930 		 * Attempt to allocate composite mbuf + cluster elements for
3952 	 * Attempt to allocate the rest of the composite mbuf + cluster
4160 			u_int32_t refcnt, composite;
4177 			composite = (MEXT_FLAGS(m) & EXTF_COMPOSITE);
4178 			if (refcnt == 0 && !composite) {
4197 			} else if (refcnt == 0 && composite) {
6341 mcl_audit_mbuf(mcache_audit_t *mca, void *addr, boolean_t composite,
6369 	mcl_audit_restore_mbuf(m, mca, composite);
6373 mcl_audit_restore_mbuf(struct mbuf *m, mcache_audit_t *mca, boolean_t composite)
6377 	if (composite) {
6789 	/* adjust free counts to include composite caches */