NSEC_JIFFIE_SC    272 include/linux/jiffies.h #define NSEC_CONVERSION ((unsigned long)((((u64)1 << NSEC_JIFFIE_SC) +\
NSEC_JIFFIE_SC    639 kernel/time/time.c 		 (NSEC_JIFFIE_SC - SEC_JIFFIE_SC))) >> SEC_JIFFIE_SC;