bpf_map_check_op_flags
ret = bpf_map_check_op_flags(map, elem_map_flags, allowed_flags);
err = bpf_map_check_op_flags(map, flags, BPF_F_LOCK);
ret = bpf_map_check_op_flags(map, elem_map_flags, BPF_F_LOCK);
err = bpf_map_check_op_flags(map, attr->flags, BPF_F_LOCK | BPF_F_CPU);
err = bpf_map_check_op_flags(map, attr->flags, ~0);
err = bpf_map_check_op_flags(map, attr->batch.elem_flags,
err = bpf_map_check_op_flags(map, attr->batch.elem_flags, BPF_F_LOCK | BPF_F_CPU);