UM_NSEC_PER_USEC   29 arch/um/include/shared/common-offsets.h DEFINE(UM_NSEC_PER_USEC, NSEC_PER_USEC);
UM_NSEC_PER_USEC   24 arch/um/os-Linux/time.c 		tv->tv_usec * UM_NSEC_PER_USEC;