linux-kernel - Re: [PATCH net-next v6 1/9] netmem: introduce struct netmem

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Message-ID: <20250623102821.GC3199@system.software.com>
Date: Mon, 23 Jun 2025 19:28:21 +0900
From: Byungchul Park <byungchul@...com>
To: David Hildenbrand <david@...hat.com>
Cc: willy@...radead.org, netdev@...r.kernel.org,
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Subject: Re: [PATCH net-next v6 1/9] netmem: introduce struct netmem_desc
 mirroring struct page

On Mon, Jun 23, 2025 at 11:32:16AM +0200, David Hildenbrand wrote:
> On 20.06.25 06:12, Byungchul Park wrote:
> > To simplify struct page, the page pool members of struct page should be
> > moved to other, allowing these members to be removed from struct page.
> > 
> > Introduce a network memory descriptor to store the members, struct
> > netmem_desc, and make it union'ed with the existing fields in struct
> > net_iov, allowing to organize the fields of struct net_iov.
> 
> It would be great adding some result from the previous discussions in
> here, such as that the layout of "struct net_iov" can be changed because
> it is not a "struct page" overlay, what the next steps based on this

I think the network folks already know how to use and interpret their
data struct, struct net_iov for sure.. but I will add the comment if it
you think is needed.  Thanks for the comment.

	Byungchul

> patch are etc.
> 
> --
> Cheers,
> 
> David / dhildenb