ksys_readahead
return ksys_readahead(fd, arg_u64(offset), count);
return ksys_readahead(fd, merge_64(a2, a3), count);
return ksys_readahead(fd, (loff_t)high << 32 | low, count);
return ksys_readahead(fd, merge_64(offset1, offset2), count);
return ksys_readahead(fd, ((u64)offhi << 32) | offlo, count);
return ksys_readahead(fd, ((u64)off_hi << 32) | off_lo, count);
ssize_t ksys_readahead(int fd, loff_t offset, size_t count);
return ksys_readahead(fd, offset, count);
return ksys_readahead(fd, compat_arg_u64_glue(offset), count);