CPU_COUNT_FLT_PRCOPY
cpu_count(CPU_COUNT_FLT_PRCOPY, 1);
u.flt_prcopy = cpu_count_get(CPU_COUNT_FLT_PRCOPY);
uvmexp.flt_prcopy = (int)cpu_count_get(CPU_COUNT_FLT_PRCOPY);
cpu_count_get(CPU_COUNT_FLT_PRCOPY),