#if HZ <= 1000 && !(1000 % HZ) return (m + (1000 / HZ) - 1) / (1000 / HZ); #elif HZ > 1000 && !(HZ % 1000) return m * (HZ / 1000); 
#if HZ <= MSEC_PER_SEC && !(MSEC_PER_SEC % HZ) return (m + (MSEC_PER_SEC / HZ) - 1) / (MSEC_PER_SEC / HZ); #elif HZ > MSEC_PER_SEC && !(HZ % MSEC_PER_SEC) return m * (HZ / MSEC_PER_SEC); 
static inline unsigned long msecs_to_jiffies(const unsigned int m){	if (m > jiffies_to_msecs(MAX_JIFFY_OFFSET))		return MAX_JIFFY_OFFSET;#if HZ <= 1000 && !(1000 % HZ)	return (m + (1000 / HZ) - 1) / (1000 / HZ);#elif HZ > 1000 && !(HZ % 1000)	return m * (HZ / 1000);#else	return (m * HZ + 999) / 1000;#endif}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/84f902c0903a98a315b45a4fba3d2ac0de388256/jiffies.h/clean/include/linux/jiffies.h