From: Jakub Kicinski <kuba@kernel.org>
To: Alexander Lobakin <aleksander.lobakin@intel.com>
Cc: "David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
Maciej Fijalkowski <maciej.fijalkowski@intel.com>,
Larysa Zaremba <larysa.zaremba@intel.com>,
Yunsheng Lin <linyunsheng@huawei.com>,
Alexander Duyck <alexanderduyck@fb.com>,
Jesper Dangaard Brouer <hawk@kernel.org>,
Ilias Apalodimas <ilias.apalodimas@linaro.org>,
Simon Horman <simon.horman@corigine.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v3 0/6] page_pool: a couple of assorted optimizations
Date: Thu, 3 Aug 2023 18:21:21 -0700 [thread overview]
Message-ID: <20230803182121.1baf4c13@kernel.org> (raw)
In-Reply-To: <20230803182038.2646541-1-aleksander.lobakin@intel.com>
On Thu, 3 Aug 2023 20:20:32 +0200 Alexander Lobakin wrote:
> That initially was a spin-off of the IAVF PP series[0], but has grown
> (and shrunk) since then a bunch. In fact, it consists of three
> semi-independent blocks:
>
> * #1-2: Compile-time optimization. Split page_pool.h into 2 headers to
> not overbloat the consumers not needing complex inline helpers and
> then stop including it in skbuff.h at all. The first patch is also
> prereq for the whole series.
> * #3: Improve cacheline locality for users of the Page Pool frag API.
> * #4-6: Use direct cache recycling more aggressively, when it is safe
> obviously. In addition, make sure nobody wants to use Page Pool API
> with disabled interrupts.
>
> Patches #1 and #5 are authored by Yunsheng and Jakub respectively, with
> small modifications from my side as per ML discussions.
> For the perf numbers for #3-6, please see individual commit messages.
Our scheming didn't help much, the series also conflicts
with the net/xdp.h includes which came in via bpf-next :(
--
pw-bot: cr
next prev parent reply other threads:[~2023-08-04 1:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-03 18:20 [PATCH net-next v3 0/6] page_pool: a couple of assorted optimizations Alexander Lobakin
2023-08-03 18:20 ` [PATCH net-next v3 1/6] page_pool: split types and declarations from page_pool.h Alexander Lobakin
2023-08-03 18:20 ` [PATCH net-next v3 2/6] net: skbuff: don't include <net/page_pool/types.h> to <linux/skbuff.h> Alexander Lobakin
2023-08-03 18:20 ` [PATCH net-next v3 3/6] page_pool: place frag_* fields in one cacheline Alexander Lobakin
2023-08-03 18:20 ` [PATCH net-next v3 4/6] net: skbuff: avoid accessing page_pool if !napi_safe when returning page Alexander Lobakin
2023-08-03 18:20 ` [PATCH net-next v3 5/6] page_pool: add a lockdep check for recycling in hardirq Alexander Lobakin
2023-08-04 10:30 ` Jesper Dangaard Brouer
2023-08-03 18:20 ` [PATCH net-next v3 6/6] net: skbuff: always try to recycle PP pages directly when in softirq Alexander Lobakin
2023-08-04 1:21 ` Jakub Kicinski [this message]
2023-08-04 14:31 ` [PATCH net-next v3 0/6] page_pool: a couple of assorted optimizations Alexander Lobakin
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