netdev - Re: [PATCH net-next v7 7/7] netmem: introduce a netmem API, virt_to_head

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Message-ID: <20250626174948.1fa2ce34@kernel.org>
Date: Thu, 26 Jun 2025 17:49:48 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Byungchul Park <byungchul@...com>
Cc: willy@...radead.org, netdev@...r.kernel.org,
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Subject: Re: [PATCH net-next v7 7/7] netmem: introduce a netmem API,
 virt_to_head_netmem()

On Wed, 25 Jun 2025 13:33:50 +0900 Byungchul Park wrote:
> To eliminate the use of struct page in page pool, the page pool code
> should use netmem descriptor and APIs instead.
> 
> As part of the work, introduce a netmem API to convert a virtual address
> to a head netmem allowing the code to use it rather than the existing
> API, virt_to_head_page() for struct page.

nit: this one needs a caller for the new function to be merged