bpf_pidns_info
struct bpf_pidns_info *, nsdata, u32, size)
if (unlikely(size != sizeof(struct bpf_pidns_info)))
struct bpf_pidns_info nsdata;
if (bpf_get_ns_current_pid_tgid(dev, ino, &nsdata, sizeof(struct bpf_pidns_info)))