STMF_KSTAT_LU_SZ
ks_lu = (stmf_kstat_lu_info_t *)kmem_zalloc(STMF_KSTAT_LU_SZ,
kmem_free(ks_lu, STMF_KSTAT_LU_SZ);
ilu->ilu_kstat_info->ks_data_size = STMF_KSTAT_LU_SZ;
kmem_free(ilu->ilu_kstat_info->ks_data, STMF_KSTAT_LU_SZ);