CPU_COUNT_FLT_ACOW
cpu_count(CPU_COUNT_FLT_ACOW, 1);
u.flt_acow = cpu_count_get(CPU_COUNT_FLT_ACOW);
uvmexp.flt_acow = (int)cpu_count_get(CPU_COUNT_FLT_ACOW);
cpu_count_get(CPU_COUNT_FLT_ACOW),