Re: [RFC PATCH bpf-next 03/11] bpf: Add rb_node_off to bpf_map

[Alexei Starovoitov <ast@xxxxxx>]

On 7/22/22 11:34 AM, Dave Marchevsky wrote:

> +	case BTF_FIELD_RB_NODE:
> +		name = "rb_node";
> +		sz = sizeof(struct rb_node);
> +		align = __alignof__(struct rb_node);
> +		break;

and its usage in bpf prog:
+struct node_data {
+	struct rb_node node;
+	__u32 one;
+	__u32 two;
+};

may break from kernel to kernel.
let's wrap it into bpf_rb_node ?