From: Jakub Kicinski <kuba@kernel.org>
To: Jesper Dangaard Brouer <jbrouer@redhat.com>
Cc: brouer@redhat.com, netdev@vger.kernel.org,
almasrymina@google.com, hawk@kernel.org,
ilias.apalodimas@linaro.org, edumazet@google.com,
dsahern@gmail.com, michael.chan@broadcom.com, willemb@google.com,
Ulrich Drepper <drepper@redhat.com>,
Luigi Rizzo <lrizzo@google.com>, Luigi Rizzo <rizzo@iet.unipi.it>,
farshin@kth.se
Subject: Re: [RFC 00/12] net: huge page backed page_pool
Date: Thu, 13 Jul 2023 09:27:26 -0700 [thread overview]
Message-ID: <20230713092726.161f9768@kernel.org> (raw)
In-Reply-To: <4b42f2eb-dc29-153e-ace9-5584ea2e5070@redhat.com>
On Thu, 13 Jul 2023 12:07:06 +0200 Jesper Dangaard Brouer wrote:
> > For the ptr_ring I was considering bumping the refcount of pages
> > allocated from outside the 1G pool, so that they do not get recycled.
> > I deferred optimizing that until I can get some production results.
> > The extra CPU cost of loss of recycling could outweigh the IOTLB win.
> >
> > All very exciting stuff, I wish the days were slightly longer :)
>
> Know the problem of (human) cycles in a day.
> Rizzo's article describes a lot of experiments, that might save us/you
> some time.
Speaking of saving time - if anyone has patches to convert mlx4 to page
pool I'd greatly appreciate!
prev parent reply other threads:[~2023-07-13 16:27 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-07 18:39 [RFC 00/12] net: huge page backed page_pool Jakub Kicinski
2023-07-07 18:39 ` [RFC 01/12] net: hack together some page sharing Jakub Kicinski
2023-07-07 18:39 ` [RFC 02/12] net: create a 1G-huge-page-backed allocator Jakub Kicinski
2023-07-07 18:39 ` [RFC 03/12] net: page_pool: hide page_pool_release_page() Jakub Kicinski
2023-07-07 18:39 ` [RFC 04/12] net: page_pool: merge page_pool_release_page() with page_pool_return_page() Jakub Kicinski
2023-07-10 16:07 ` Jesper Dangaard Brouer
2023-07-07 18:39 ` [RFC 05/12] net: page_pool: factor out releasing DMA from releasing the page Jakub Kicinski
2023-07-07 18:39 ` [RFC 06/12] net: page_pool: create hooks for custom page providers Jakub Kicinski
2023-07-07 19:50 ` Mina Almasry
2023-07-07 22:28 ` Jakub Kicinski
2023-07-07 18:39 ` [RFC 07/12] net: page_pool: add huge page backed memory providers Jakub Kicinski
2023-07-07 18:39 ` [RFC 08/12] eth: bnxt: let the page pool manage the DMA mapping Jakub Kicinski
2023-07-10 10:12 ` Jesper Dangaard Brouer
2023-07-26 6:56 ` Ilias Apalodimas
2023-07-07 18:39 ` [RFC 09/12] eth: bnxt: use the page pool for data pages Jakub Kicinski
2023-07-10 4:22 ` Michael Chan
2023-07-10 17:04 ` Jakub Kicinski
2023-07-07 18:39 ` [RFC 10/12] eth: bnxt: make sure we make for recycle skbs before freeing them Jakub Kicinski
2023-07-07 18:39 ` [RFC 11/12] eth: bnxt: wrap coherent allocations into helpers Jakub Kicinski
2023-07-07 18:39 ` [RFC 12/12] eth: bnxt: hack in the use of MEP Jakub Kicinski
2023-07-07 19:45 ` [RFC 00/12] net: huge page backed page_pool Mina Almasry
2023-07-07 22:45 ` Jakub Kicinski
2023-07-10 17:31 ` Mina Almasry
2023-07-11 15:49 ` Jesper Dangaard Brouer
2023-07-12 0:08 ` Jakub Kicinski
2023-07-12 11:47 ` Yunsheng Lin
2023-07-12 12:43 ` Jesper Dangaard Brouer
2023-07-12 17:01 ` Jakub Kicinski
2023-07-14 13:05 ` Yunsheng Lin
2023-07-12 14:00 ` Jesper Dangaard Brouer
2023-07-12 17:19 ` Jakub Kicinski
2023-07-13 10:07 ` Jesper Dangaard Brouer
2023-07-13 16:27 ` Jakub Kicinski [this message]
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