btf_resolve_size
btf_resolve_size(const struct btf *btf, const struct btf_type *type,
mtype = btf_resolve_size(btf, mtype, &msize);
mtype = btf_resolve_size(st_map->btf, mtype, &msize);
rt = btf_resolve_size(show->btf, t, &size);
t = btf_resolve_size(btf, t, &sz);
ref_t = btf_resolve_size(btf, t, &mem_size);
ret = btf_resolve_size(meta.ret_btf, t, &tsize);
resolve_ret = btf_resolve_size(btf, ref_t, &type_size);
if (!IS_ERR(btf_resolve_size(desc_btf, ptr_type, &sz))) {
ret = btf_resolve_size(btf, t, &tsize);
t = btf_resolve_size(btf, t, &size);