linux-kernel - Re: [PATCH net-next 08/11] iavf: switch to Page Pool

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Message-ID: <4c6723df-5d40-2504-fcdc-dfdc2047f92c@linux.vnet.ibm.com>
Date:   Tue, 23 May 2023 15:42:28 -0700
From:   David Christensen <drc@...ux.vnet.ibm.com>
To:     Alexander Lobakin <aleksander.lobakin@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     Maciej Fijalkowski <maciej.fijalkowski@...el.com>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        Michal Kubiak <michal.kubiak@...el.com>,
        Larysa Zaremba <larysa.zaremba@...el.com>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        Christoph Hellwig <hch@....de>, netdev@...r.kernel.org,
        intel-wired-lan@...ts.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 08/11] iavf: switch to Page Pool



On 5/16/23 9:18 AM, Alexander Lobakin wrote:
> Now that the IAVF driver simply uses dev_alloc_page() + free_page() with
> no custom recycling logics and one whole page per frame, it can easily
> be switched to using Page Pool API instead.

Any plans to add page pool fragmentation support (i.e. 
PP_FLAG_PAGE_FRAG) in the future to better support architectures with 
larger page sizes such as 64KB on ppc64le?

Dave