FLOWACCT_FLOW_SZ
length = FLOWACCT_FLOW_SZ;
flow = (flow_t *)kmem_zalloc(FLOWACCT_FLOW_SZ, KM_NOSLEEP);
kmem_free(flow, FLOWACCT_FLOW_SZ);
#define FLOWACCT_FLOW_RECORD_SZ (FLOWACCT_HDR_SZ + FLOWACCT_FLOW_SZ)