From: "Toke Høiland-Jørgensen" <toke@redhat.com>
To: Byungchul Park <byungchul@sk.com>,
willy@infradead.org, netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
kernel_team@skhynix.com, kuba@kernel.org, almasrymina@google.com,
ilias.apalodimas@linaro.org, harry.yoo@oracle.com,
hawk@kernel.org, akpm@linux-foundation.org, davem@davemloft.net,
john.fastabend@gmail.com, andrew+netdev@lunn.ch,
asml.silence@gmail.com, tariqt@nvidia.com, edumazet@google.com,
pabeni@redhat.com, saeedm@nvidia.com, leon@kernel.org,
ast@kernel.org, daniel@iogearbox.net, david@redhat.com,
lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com,
vbabka@suse.cz, rppt@kernel.org, surenb@google.com,
mhocko@suse.com, horms@kernel.org, linux-rdma@vger.kernel.org,
bpf@vger.kernel.org, vishal.moola@gmail.com
Subject: Re: [RFC v4 16/18] netmem: introduce a netmem API, virt_to_head_netmem()
Date: Wed, 04 Jun 2025 18:59:17 +0200 [thread overview]
Message-ID: <87h60vv3x6.fsf@toke.dk> (raw)
In-Reply-To: <20250604025246.61616-17-byungchul@sk.com>
Byungchul Park <byungchul@sk.com> writes:
> To eliminate the use of struct page in page pool, the page pool code
> should use netmem descriptor and APIs instead.
>
> As part of the work, introduce a netmem API to convert a virtual address
> to a head netmem allowing the code to use it rather than the existing
> API, virt_to_head_page() for struct page.
>
> Signed-off-by: Byungchul Park <byungchul@sk.com>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
next prev parent reply other threads:[~2025-06-04 16:59 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-04 2:52 [RFC v4 00/18] Split netmem from struct page Byungchul Park
2025-06-04 2:52 ` [RFC v4 01/18] netmem: introduce struct netmem_desc mirroring " Byungchul Park
2025-06-04 16:53 ` Toke Høiland-Jørgensen
2025-06-05 10:03 ` Pavel Begunkov
2025-06-05 10:04 ` Pavel Begunkov
2025-06-05 19:34 ` Mina Almasry
2025-06-04 2:52 ` [RFC v4 02/18] netmem: introduce netmem alloc APIs to wrap page alloc APIs Byungchul Park
2025-06-04 15:14 ` Suren Baghdasaryan
2025-06-05 0:53 ` Byungchul Park
2025-06-05 10:05 ` Pavel Begunkov
2025-06-04 2:52 ` [RFC v4 03/18] page_pool: use netmem alloc/put APIs in __page_pool_alloc_page_order() Byungchul Park
2025-06-04 16:54 ` Toke Høiland-Jørgensen
2025-06-05 10:26 ` Pavel Begunkov
2025-06-05 19:39 ` Mina Almasry
2025-06-05 20:27 ` Pavel Begunkov
2025-06-05 20:34 ` Mina Almasry
2025-06-04 2:52 ` [RFC v4 04/18] page_pool: rename __page_pool_alloc_page_order() to __page_pool_alloc_netmem_order() Byungchul Park
2025-06-04 16:54 ` Toke Høiland-Jørgensen
2025-06-05 10:28 ` Pavel Begunkov
2025-06-04 2:52 ` [RFC v4 05/18] page_pool: use netmem alloc/put APIs in __page_pool_alloc_pages_slow() Byungchul Park
2025-06-04 17:02 ` Toke Høiland-Jørgensen
2025-06-05 10:30 ` Pavel Begunkov
2025-06-04 2:52 ` [RFC v4 06/18] page_pool: rename page_pool_return_page() to page_pool_return_netmem() Byungchul Park
2025-06-04 17:03 ` Toke Høiland-Jørgensen
2025-06-05 10:31 ` Pavel Begunkov
2025-06-04 2:52 ` [RFC v4 07/18] page_pool: use netmem put API in page_pool_return_netmem() Byungchul Park
2025-06-04 16:54 ` Toke Høiland-Jørgensen
2025-06-05 10:33 ` Pavel Begunkov
2025-06-04 2:52 ` [RFC v4 08/18] page_pool: rename __page_pool_release_page_dma() to __page_pool_release_netmem_dma() Byungchul Park
2025-06-04 16:55 ` Toke Høiland-Jørgensen
2025-06-05 10:34 ` Pavel Begunkov
2025-06-04 2:52 ` [RFC v4 09/18] page_pool: rename __page_pool_put_page() to __page_pool_put_netmem() Byungchul Park
2025-06-04 16:55 ` Toke Høiland-Jørgensen
2025-06-05 10:35 ` Pavel Begunkov
2025-06-05 10:39 ` Pavel Begunkov
2025-06-04 2:52 ` [RFC v4 10/18] page_pool: rename __page_pool_alloc_pages_slow() to __page_pool_alloc_netmems_slow() Byungchul Park
2025-06-04 17:03 ` Toke Høiland-Jørgensen
2025-06-04 2:52 ` [RFC v4 11/18] mlx4: use netmem descriptor and APIs for page pool Byungchul Park
2025-06-04 2:52 ` [RFC v4 12/18] netmem: use _Generic to cover const casting for page_to_netmem() Byungchul Park
2025-06-04 16:55 ` Toke Høiland-Jørgensen
2025-06-05 10:40 ` Pavel Begunkov
2025-06-04 2:52 ` [RFC v4 13/18] netmem: remove __netmem_get_pp() Byungchul Park
2025-06-04 16:56 ` Toke Høiland-Jørgensen
2025-06-05 10:41 ` Pavel Begunkov
2025-06-04 2:52 ` [RFC v4 14/18] page_pool: make page_pool_get_dma_addr() just wrap page_pool_get_dma_addr_netmem() Byungchul Park
2025-06-04 16:57 ` Toke Høiland-Jørgensen
2025-06-05 10:45 ` Pavel Begunkov
2025-06-04 2:52 ` [RFC v4 15/18] netdevsim: use netmem descriptor and APIs for page pool Byungchul Park
2025-06-04 2:52 ` [RFC v4 16/18] netmem: introduce a netmem API, virt_to_head_netmem() Byungchul Park
2025-06-04 16:59 ` Toke Høiland-Jørgensen [this message]
2025-06-05 10:45 ` Pavel Begunkov
2025-06-05 19:43 ` Mina Almasry
2025-06-04 2:52 ` [RFC v4 17/18] mt76: use netmem descriptor and APIs for page pool Byungchul Park
2025-06-04 2:52 ` [RFC v4 18/18] page_pool: access ->pp_magic through struct netmem_desc in page_pool_page_is_pp() Byungchul Park
2025-06-04 16:59 ` Toke Høiland-Jørgensen
2025-06-05 10:56 ` Pavel Begunkov
2025-06-05 11:49 ` Harry Yoo
2025-06-05 12:17 ` Harry Yoo
2025-06-05 13:28 ` Pavel Begunkov
2025-06-05 19:47 ` Mina Almasry
2025-06-05 20:16 ` Pavel Begunkov
2025-06-04 3:23 ` [RFC v4 00/18] Split netmem from struct page Byungchul Park
2025-06-05 19:55 ` Mina Almasry
2025-06-09 4:22 ` Byungchul Park
2025-06-09 7:53 ` Byungchul Park
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