BTF_SET8_KFUNCS
__BTF_SET8_START(name, local, BTF_SET8_KFUNCS)
#define BTF_KFUNCS_START(name) static struct btf_id_set8 __maybe_unused name = { .flags = BTF_SET8_KFUNCS };
if (!(kset->set->flags & BTF_SET8_KFUNCS)) {