JIFFIES_SHIFT
.mult = TICK_NSEC << JIFFIES_SHIFT, /* details above */
.shift = JIFFIES_SHIFT,
.mult = TICK_NSEC << JIFFIES_SHIFT, /* details above */
.shift = JIFFIES_SHIFT,
refined_jiffies.mult = ((u32)nsec_per_tick) << JIFFIES_SHIFT;