# Re: \[PATCH net-next v19 09/14\] net: rename skb\_copy\_to\_page\_nocache() helper

- From: Alexander Duyck \<hidden\>
- Date: 2024-10-07 18:50:21 
- List: netdev
- Page: https://ratatoskr.run/netdev/2024/10/2772307
- Thread: https://ratatoskr.run/netdev/2024/10/2764136/t.md

```text
On Mon, Oct 7, 2024 at 7:29 AM Yunsheng Lin [ref] wrote:
>
> On 10/7/2024 12:18 AM, Alexander Duyck wrote:
>
> ...
>
> >
> > I could probably live with sk_copy_to_skb_data_nocache since we also
> > refer to the section after the page section with data_len. The basic
> > idea is we are wanting to define what the function does with the
> > function name rather than just report the arguments it is accepting.
>
> Yes, looking more closely:
> skb_add_data_nocache() does memcpy'ing to skb->data and update skb->len
> only by calling skb_put(), and skb_copy_to_page_nocache() does
> memcpy'ing to skb frag by updating both skb->len and skb->data_len
> through the calling of skb_len_add().
>
> Perhaps skb_add_frag_nocache() might seems a better name for now, and
> the 'sk_' prefix might be done in the future if it does make sense.

That works for me.
```