netdev - Re: [PATCH 00/10 net-next] page

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Message-ID: <A6D1D7E1-56F4-4474-A7E7-68627AEE528D@gmail.com>
Date:   Fri, 18 Oct 2019 16:32:07 -0700
From:   "Jonathan Lemon" <jonathan.lemon@...il.com>
To:     "Saeed Mahameed" <saeedm@...lanox.com>
Cc:     ilias.apalodimas@...aro.org, "Tariq Toukan" <tariqt@...lanox.com>,
        brouer@...hat.com, kernel-team@...com, netdev@...r.kernel.org
Subject: Re: [PATCH 00/10 net-next] page_pool cleanups



On 18 Oct 2019, at 13:50, Saeed Mahameed wrote:

> On Wed, 2019-10-16 at 15:50 -0700, Jonathan Lemon wrote:
>> This patch combines work from various people:
>> - part of Tariq's work to move the DMA mapping from
>>   the mlx5 driver into the page pool.  This does not
>>   include later patches which remove the dma address
>>   from the driver, as this conflicts with AF_XDP.
>>
>> - Saeed's changes to check the numa node before
>>   including the page in the pool, and flushing the
>>   pool on a node change.
>>
>
> Hi Jonathan, thanks for submitting this,
> the patches you have are not up to date, i have new ones with tracing
> support and some fixes from offlist review iterations, plus performance
> numbers and a  cover letter.
>
> I will send it to you and you can post it as v2 ?

Sure, I have some other cleanups to do and have a concern about
the cache effectiveness for some workloads.
-- 
Jonathan


>
>
>> - Statistics and cleanup for page pool.
>>
>> Jonathan Lemon (5):
>>   page_pool: Add page_pool_keep_page
>>   page_pool: allow configurable linear cache size
>>   page_pool: Add statistics
>>   net/mlx5: Add page_pool stats to the Mellanox driver
>>   page_pool: Cleanup and rename page_pool functions.
>>
>> Saeed Mahameed (2):
>>   page_pool: Add API to update numa node and flush page caches
>>   net/mlx5e: Rx, Update page pool numa node when changed
>>
>> Tariq Toukan (3):
>>   net/mlx5e: RX, Remove RX page-cache
>>   net/mlx5e: RX, Manage RX pages only via page pool API
>>   net/mlx5e: RX, Internal DMA mapping in page_pool
>>
>>  drivers/net/ethernet/mellanox/mlx5/core/en.h  |  18 +-
>>  .../net/ethernet/mellanox/mlx5/core/en/xdp.c  |  12 +-
>>  .../net/ethernet/mellanox/mlx5/core/en_main.c |  19 +-
>>  .../net/ethernet/mellanox/mlx5/core/en_rx.c   | 128 ++--------
>>  .../ethernet/mellanox/mlx5/core/en_stats.c    |  39 ++--
>>  .../ethernet/mellanox/mlx5/core/en_stats.h    |  19 +-
>>  include/net/page_pool.h                       | 216 +++++++++-------
>> -
>>  net/core/page_pool.c                          | 221 +++++++++++-----
>> --
>>  8 files changed, 319 insertions(+), 353 deletions(-)
>>