LOAD_AVG_PERIOD
now + msecs_to_jiffies(LOAD_AVG_PERIOD));
if (unlikely(n > LOAD_AVG_PERIOD * 63))
if (unlikely(local_n >= LOAD_AVG_PERIOD)) {
val >>= local_n / LOAD_AVG_PERIOD;
local_n %= LOAD_AVG_PERIOD;