bpf_size_to_bytes
const int __size = bpf_size_to_bytes(BPF_SIZE((insn)->code)); \
read_size = bpf_size_to_bytes(BPF_SIZE(si->code));
if (size != bpf_size_to_bytes(BPF_DW)) {
size = bpf_size_to_bytes(bpf_size);
int size = bpf_size_to_bytes(BPF_SIZE(fp->code));