netdev - Re: [PATCH v4 net-next 06/13] mlx4: removal of frag

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Date:   Thu, 9 Mar 2017 15:55:12 +0200
From:   Tariq Toukan <tariqt@...lanox.com>
To:     Eric Dumazet <edumazet@...gle.com>,
        "David S . Miller" <davem@...emloft.net>
CC:     netdev <netdev@...r.kernel.org>,
        Tariq Toukan <tariqt@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>,
        Willem de Bruijn <willemb@...gle.com>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: Re: [PATCH v4 net-next 06/13] mlx4: removal of frag_sizes[]



On 08/03/2017 6:17 PM, Eric Dumazet wrote:
> We will soon use order-0 pages, and frag truesize will more precisely
> match real sizes.
>
> In the new model, we prefer to use <= 2048 bytes fragments, so that
> we can use page-recycle technique on PAGE_SIZE=4096 arches.
>
> We will still pack as much frames as possible on arches with big
> pages, like PowerPC.
>
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> ---
>  drivers/net/ethernet/mellanox/mlx4/en_rx.c   | 24 ++++++++++--------------
>  drivers/net/ethernet/mellanox/mlx4/mlx4_en.h |  8 --------
>  2 files changed, 10 insertions(+), 22 deletions(-)
>
Acked-by: Tariq Toukan <tariqt@...lanox.com>

Thanks.