netdev - Re: [net-next v6 1/2] page_pool: Add page

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Message-ID: <CALALjgwm9LpmnT+2kXNvv-aDiyrWWjMO=j0BBmZd4Qh4wQQXhg@mail.gmail.com>
Date:   Wed, 23 Feb 2022 09:45:06 -0800
From:   Joe Damato <jdamato@...tly.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Jesper Dangaard Brouer <jbrouer@...hat.com>,
        netdev@...r.kernel.org, ilias.apalodimas@...aro.org,
        davem@...emloft.net, hawk@...nel.org, saeed@...nel.org,
        ttoukan.linux@...il.com, brouer@...hat.com
Subject: Re: [net-next v6 1/2] page_pool: Add page_pool stats

On Wed, Feb 23, 2022 at 9:40 AM Jakub Kicinski <kuba@...nel.org> wrote:
>
> On Wed, 23 Feb 2022 09:05:06 -0800 Joe Damato wrote:
> > Are the cache-line placement and per-cpu designations the only
> > remaining issues with this change?
>
> page_pool_get_stats() has no callers as is, I'm not sure how we can
> merge it in current form.
>
> Maybe I'm missing bigger picture or some former discussion.

I wrote the mlx5 code to call this function and export the data via
ethtool. I had assumed the mlx5 changes should be in a separate
patchset. I can include that code as part of this change, if needed.

Thanks,
Joe