tx_cpu_t
tx_cpu_t *th_cpu;
tx_cpu_t *tx_cpu; /* protects access to tx_open_txg */
tx->tx_cpu = kmem_zalloc(max_ncpus * sizeof (tx_cpu_t), KM_SLEEP);
kmem_free(tx->tx_cpu, max_ncpus * sizeof (tx_cpu_t));
tx_cpu_t *tc = &tx->tx_cpu[CPU_SEQID];
tx_cpu_t *tc = th->th_cpu;
tx_cpu_t *tc = th->th_cpu;
tx_cpu_t *tc = th->th_cpu;
tx_cpu_t *tc = &tx->tx_cpu[c];
tx_cpu_t *tc = &tx->tx_cpu[c];