From: Jakub Kicinski <kuba@kernel.org>
To: Mina Almasry <almasrymina@google.com>
Cc: netdev@vger.kernel.org, hawk@kernel.org,
ilias.apalodimas@linaro.org, edumazet@google.com,
dsahern@gmail.com, michael.chan@broadcom.com, willemb@google.com
Subject: Re: [RFC 06/12] net: page_pool: create hooks for custom page providers
Date: Fri, 7 Jul 2023 15:28:33 -0700 [thread overview]
Message-ID: <20230707152833.670edcde@kernel.org> (raw)
In-Reply-To: <CAHS8izM+o3m_h1SU8D-1XmDVsfqTwWmpcPpsp2Xh-0vVdOo=ew@mail.gmail.com>
On Fri, 7 Jul 2023 12:50:51 -0700 Mina Almasry wrote:
> > - put_page(page);
> > + if (put)
> > + put_page(page);
>
> +1 to giving memory providers the option to replace put_page() with a
> custom release function. In your original proposal, the put_page() was
> intact, and I thought it was some requirement from you that pages must
> be freed with put_page(). I made my code with/around that, but I think
> it's nice to give future memory providers the option to replace this.
I was kinda trying to pretend there is a reason, so that I could
justify the second callback - hoping it could be useful for the
device / user memory cases. But the way I was using it was racy
so I dropped it for now.
next prev parent reply other threads:[~2023-07-07 22:28 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 [this message]
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
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