linux_to_bsd_posix_fadv
SCARG(uap, len), linux_to_bsd_posix_fadv(SCARG(uap, advice)));
SCARG(uap, len), linux_to_bsd_posix_fadv(SCARG(uap, advice)));
SCARG(uap, len), linux_to_bsd_posix_fadv(SCARG(uap, advice)));
len, linux_to_bsd_posix_fadv(SCARG(uap, advice)));