PPM_SCALE          87 include/linux/timex.h 		       PPM_SCALE + 1)
PPM_SCALE         357 kernel/time/ntp.c 			time_freq = (s64)txc->freq * PPM_SCALE;
PPM_SCALE         413 kernel/time/ntp.c 	txc->tolerance	   = MAXFREQ_SCALED / PPM_SCALE;