From: Alexander Lobakin <alobakin@pm.me>
To: Matteo Croce <mcroce@linux.microsoft.com>
Cc: Alexander Lobakin <alobakin@pm.me>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
Jonathan Lemon <jonathan.lemon@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Ilias Apalodimas <ilias.apalodimas@linaro.org>,
Jesper Dangaard Brouer <hawk@kernel.org>,
Lorenzo Bianconi <lorenzo@kernel.org>,
Saeed Mahameed <saeedm@nvidia.com>,
David Ahern <dsahern@gmail.com>,
Saeed Mahameed <saeed@kernel.org>, Andrew Lunn <andrew@lunn.ch>
Subject: Re: [PATCH net-next 0/6] page_pool: recycle buffers
Date: Tue, 23 Mar 2021 15:41:23 +0000 [thread overview]
Message-ID: <20210323154112.131110-1-alobakin@pm.me> (raw)
In-Reply-To: <20210322170301.26017-1-mcroce@linux.microsoft.com>
From: Matteo Croce <mcroce@linux.microsoft.com>
Date: Mon, 22 Mar 2021 18:02:55 +0100
> From: Matteo Croce <mcroce@microsoft.com>
>
> This series enables recycling of the buffers allocated with the page_pool API.
> The first two patches are just prerequisite to save space in a struct and
> avoid recycling pages allocated with other API.
> Patch 2 was based on a previous idea from Jonathan Lemon.
>
> The third one is the real recycling, 4 fixes the compilation of __skb_frag_unref
> users, and 5,6 enable the recycling on two drivers.
>
> In the last two patches I reported the improvement I have with the series.
>
> The recycling as is can't be used with drivers like mlx5 which do page split,
> but this is documented in a comment.
> In the future, a refcount can be used so to support mlx5 with no changes.
>
> Ilias Apalodimas (2):
> page_pool: DMA handling and allow to recycles frames via SKB
> net: change users of __skb_frag_unref() and add an extra argument
>
> Jesper Dangaard Brouer (1):
> xdp: reduce size of struct xdp_mem_info
>
> Matteo Croce (3):
> mm: add a signature in struct page
> mvpp2: recycle buffers
> mvneta: recycle buffers
>
> .../chelsio/inline_crypto/ch_ktls/chcr_ktls.c | 2 +-
> drivers/net/ethernet/marvell/mvneta.c | 4 +-
> .../net/ethernet/marvell/mvpp2/mvpp2_main.c | 17 +++----
> drivers/net/ethernet/marvell/sky2.c | 2 +-
> drivers/net/ethernet/mellanox/mlx4/en_rx.c | 2 +-
> include/linux/mm_types.h | 1 +
> include/linux/skbuff.h | 33 +++++++++++--
> include/net/page_pool.h | 15 ++++++
> include/net/xdp.h | 5 +-
> net/core/page_pool.c | 47 +++++++++++++++++++
> net/core/skbuff.c | 20 +++++++-
> net/core/xdp.c | 14 ++++--
> net/tls/tls_device.c | 2 +-
> 13 files changed, 138 insertions(+), 26 deletions(-)
Just for the reference, I've performed some tests on 1G SoC NIC with
this patchset on, here's direct link: [0]
> --
> 2.30.2
[0] https://lore.kernel.org/netdev/20210323153550.130385-1-alobakin@pm.me
Thanks,
Al
next prev parent reply other threads:[~2021-03-23 15:42 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-22 17:02 [PATCH net-next 0/6] page_pool: recycle buffers Matteo Croce
2021-03-22 17:02 ` [PATCH net-next 1/6] xdp: reduce size of struct xdp_mem_info Matteo Croce
2021-03-22 17:02 ` [PATCH net-next 2/6] mm: add a signature in struct page Matteo Croce
2021-03-22 17:02 ` [PATCH net-next 3/6] page_pool: DMA handling and allow to recycles frames via SKB Matteo Croce
2021-03-22 19:38 ` Matteo Croce
2021-03-22 17:02 ` [PATCH net-next 4/6] net: change users of __skb_frag_unref() and add an extra argument Matteo Croce
2021-03-22 17:03 ` [PATCH net-next 5/6] mvpp2: recycle buffers Matteo Croce
2021-03-22 17:03 ` [PATCH net-next 6/6] mvneta: " Matteo Croce
2021-03-23 15:06 ` Jesper Dangaard Brouer
2021-03-24 9:28 ` Lorenzo Bianconi
2021-03-24 21:48 ` Ilias Apalodimas
2021-03-23 14:57 ` [PATCH net-next 0/6] page_pool: " David Ahern
2021-03-23 15:03 ` Ilias Apalodimas
2021-03-23 15:41 ` Alexander Lobakin [this message]
2021-03-23 15:47 ` Ilias Apalodimas
2021-03-23 16:04 ` Jesper Dangaard Brouer
2021-03-23 16:10 ` Ilias Apalodimas
2021-03-23 16:28 ` Matteo Croce
2021-03-23 16:55 ` Alexander Lobakin
2021-03-23 17:01 ` Ilias Apalodimas
2021-03-23 20:03 ` Alexander Lobakin
2021-03-24 7:50 ` Ilias Apalodimas
2021-03-24 11:42 ` Alexander Lobakin
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