mac_pool_arg
struct mac_pool_arg *mpa = arg;
kmem_free(arg, sizeof (struct mac_pool_arg));
struct mac_pool_arg *mpa;
mpa = kmem_zalloc(sizeof (struct mac_pool_arg), KM_SLEEP);
kmem_free(mpa, sizeof (struct mac_pool_arg));
kmem_free(mpa, sizeof (struct mac_pool_arg));