From: Pavel Begunkov <asml.silence@gmail.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, toke@redhat.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, hannes@cmpxchg.org,
ziy@nvidia.com, jackmanb@google.com
Subject: Re: [PATCH net-next v9 1/8] netmem: introduce struct netmem_desc mirroring struct page
Date: Sat, 12 Jul 2025 15:39:59 +0100 [thread overview]
Message-ID: <b1f80514-3bd8-4feb-b227-43163b70d5c4@gmail.com> (raw)
In-Reply-To: <20250710082807.27402-2-byungchul@sk.com>
On 7/10/25 09:28, Byungchul Park wrote:
> To simplify struct page, the page pool members of struct page should be
> moved to other, allowing these members to be removed from struct page.
>
> Introduce a network memory descriptor to store the members, struct
> netmem_desc, and make it union'ed with the existing fields in struct
> net_iov, allowing to organize the fields of struct net_iov.
FWIW, regardless of memdesc business, I think it'd be great to have
this patch, as it'll help with some of the netmem casting ugliness and
shed some cycles as well. For example, we have a bunch of
niov -> netmem -> niov casts in various places.
--
Pavel Begunkov
next prev parent reply other threads:[~2025-07-12 14:38 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-10 8:27 [PATCH net-next v9 0/8] Split netmem from struct page Byungchul Park
2025-07-10 8:28 ` [PATCH net-next v9 1/8] netmem: introduce struct netmem_desc mirroring " Byungchul Park
2025-07-12 14:39 ` Pavel Begunkov [this message]
2025-07-14 4:23 ` Byungchul Park
2025-07-14 11:30 ` Pavel Begunkov
2025-07-14 11:58 ` Byungchul Park
2025-07-14 19:17 ` Mina Almasry
2025-07-15 10:01 ` Pavel Begunkov
2025-07-10 8:28 ` [PATCH net-next v9 2/8] netmem: introduce utility APIs to use struct netmem_desc Byungchul Park
2025-07-10 18:11 ` Mina Almasry
2025-07-11 1:02 ` Byungchul Park
2025-07-12 12:16 ` Pavel Begunkov
2025-07-12 12:05 ` Pavel Begunkov
2025-07-12 11:59 ` Pavel Begunkov
2025-07-13 23:07 ` Byungchul Park
2025-07-13 23:39 ` Byungchul Park
2025-07-14 9:43 ` Pavel Begunkov
2025-07-14 10:05 ` Byungchul Park
2025-07-14 11:45 ` Pavel Begunkov
2025-07-14 12:06 ` Byungchul Park
2025-07-10 8:28 ` [PATCH net-next v9 3/8] page_pool: access ->pp_magic through struct netmem_desc in page_pool_page_is_pp() Byungchul Park
2025-07-10 18:19 ` Mina Almasry
2025-07-11 1:14 ` Byungchul Park
2025-07-12 13:58 ` Pavel Begunkov
2025-07-12 14:52 ` David Hildenbrand
2025-07-12 15:09 ` Pavel Begunkov
2025-07-13 23:22 ` Byungchul Park
2025-07-17 3:08 ` Byungchul Park
2025-07-22 1:23 ` Byungchul Park
2025-07-28 18:19 ` Pavel Begunkov
2025-07-14 19:09 ` Mina Almasry
2025-07-15 9:53 ` Pavel Begunkov
2025-07-10 8:28 ` [PATCH net-next v9 4/8] netmem: use netmem_desc instead of page to access ->pp in __netmem_get_pp() Byungchul Park
2025-07-10 18:25 ` Mina Almasry
2025-07-11 1:17 ` Byungchul Park
2025-07-10 8:28 ` [PATCH net-next v9 5/8] netmem: introduce a netmem API, virt_to_head_netmem() Byungchul Park
2025-07-10 18:26 ` Mina Almasry
2025-07-10 8:28 ` [PATCH net-next v9 6/8] mlx4: use netmem descriptor and APIs for page pool Byungchul Park
2025-07-10 18:29 ` Mina Almasry
2025-07-11 1:32 ` Byungchul Park
2025-07-14 19:02 ` Mina Almasry
2025-07-10 8:28 ` [PATCH net-next v9 7/8] netdevsim: " Byungchul Park
2025-07-10 18:26 ` Mina Almasry
2025-07-10 8:28 ` [PATCH net-next v9 8/8] mt76: " Byungchul Park
2025-07-12 14:22 ` Pavel Begunkov
2025-07-14 2:13 ` Byungchul Park
2025-07-10 8:47 ` [PATCH net-next v9 0/8] Split netmem from struct page Byungchul Park
2025-07-10 18:35 ` Mina Almasry
2025-07-11 0:42 ` Byungchul Park
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