Re: [PATCH bpf-next v2 27/35] bpf: eliminate rlimit-based memory accounting infra for bpf maps

[Song Liu]

On Mon, Jul 27, 2020 at 12:26 PM Roman Gushchin <guro@xxxxxx> wrote:
>
> Remove rlimit-based accounting infrastructure code, which is not used
> anymore.
>
> Signed-off-by: Roman Gushchin <guro@xxxxxx>
[...]
>
>  static void bpf_map_put_uref(struct bpf_map *map)
> @@ -541,7 +484,7 @@ static void bpf_map_show_fdinfo(struct seq_file *m, struct file *filp)
>                    "value_size:\t%u\n"
>                    "max_entries:\t%u\n"
>                    "map_flags:\t%#x\n"
> -                  "memlock:\t%llu\n"
> +                  "memlock:\t%llu\n" /* deprecated */

I am not sure whether we can deprecate this one.. How difficult is it
to keep this statistics?

Thanks,
Song