Re: [PATCH bpf-next v2 07/12] bpf: Introduce new helpers bpf_ringbuf_pages_{alloc,free}

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On Thu, Aug 18, 2022 at 7:32 AM Yafang Shao <laoar.shao@xxxxxxxxx> wrote:
>
> Allocate pages related memory into the new helper
> bpf_ringbuf_pages_alloc(), then it can be handled as a single unit.
>
> Suggested-by: Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx>
> Signed-off-by: Yafang Shao <laoar.shao@xxxxxxxxx>
> ---
>  kernel/bpf/ringbuf.c | 80 ++++++++++++++++++++++++++++++++++++----------------
>  1 file changed, 56 insertions(+), 24 deletions(-)
>

LGTM.

Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx>

> diff --git a/kernel/bpf/ringbuf.c b/kernel/bpf/ringbuf.c
> index 5eb7820..1e7284c 100644
> --- a/kernel/bpf/ringbuf.c
> +++ b/kernel/bpf/ringbuf.c
> @@ -59,6 +59,57 @@ struct bpf_ringbuf_hdr {
>         u32 pg_off;
>  };
>

[...]




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