Subject: Re: [PATCH net-next v10 01/22] net: make page_pool_ref_netmem work with net iovs

From: Jakub Kicinski <[email-masked]>
Date: Wed, 15 Jan 2025 16:30:19 -0800

On Wed,  8 Jan 2025 14:06:22 -0800 David Wei wrote:
> From: Pavel Begunkov <[email-masked]>
> 
> page_pool_ref_netmem() should work with either netmem representation, but
> currently it casts to a page with netmem_to_page(), which will fail with
> net iovs. Use netmem_get_pp_ref_count_ref() instead.

This is a fix, right? If we try to coalesce a cloned netmem skb 
we'll crash.