__read_once_size  263 include/linux/compiler.h 		__read_once_size(&(x), __u.__c, sizeof(x));		\
__read_once_size  158 tools/include/linux/compiler.h 	__read_once_size(&(x), __u.__c, sizeof(x));	\
__read_once_size  181 tools/virtio/ringtest/main.h 	__read_once_size(&(x), __u.__c, sizeof(x));		\