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From: Ilias Apalodimas <ilias.apalodimas@linaro.org>
To: Byungchul Park <byungchul@sk.com>
Cc: willy@infradead.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org,  linux-mm@kvack.org,
	kernel_team@skhynix.com, kuba@kernel.org,
	 almasrymina@google.com, 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, 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
Subject: Re: [PATCH net-next 6/9] netmem: remove __netmem_get_pp()
Date: Tue, 10 Jun 2025 14:11:34 +0300	[thread overview]
Message-ID: <CAC_iWjLbwkXTKfu27umzu4PmmxHAi7TN76t_VNHiS8WxCM0UQA@mail.gmail.com> (raw)
In-Reply-To: <20250609043225.77229-7-byungchul@sk.com>

On Mon, 9 Jun 2025 at 07:32, Byungchul Park <byungchul@sk.com> wrote:
>
> There are no users of __netmem_get_pp().  Remove it.
>
> Signed-off-by: Byungchul Park <byungchul@sk.com>
> Reviewed-by: Mina Almasry <almasrymina@google.com>
> Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
> Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
> ---

Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>

>  include/net/netmem.h | 16 ----------------
>  1 file changed, 16 deletions(-)
>
> diff --git a/include/net/netmem.h b/include/net/netmem.h
> index 65bb87835664..d4066fcb1fee 100644
> --- a/include/net/netmem.h
> +++ b/include/net/netmem.h
> @@ -234,22 +234,6 @@ static inline struct net_iov *__netmem_clear_lsb(netmem_ref netmem)
>         return (struct net_iov *)((__force unsigned long)netmem & ~NET_IOV);
>  }
>
> -/**
> - * __netmem_get_pp - unsafely get pointer to the &page_pool backing @netmem
> - * @netmem: netmem reference to get the pointer from
> - *
> - * Unsafe version of netmem_get_pp(). When @netmem is always page-backed,
> - * e.g. when it's a header buffer, performs faster and generates smaller
> - * object code (avoids clearing the LSB). When @netmem points to IOV,
> - * provokes invalid memory access.
> - *
> - * Return: pointer to the &page_pool (garbage if @netmem is not page-backed).
> - */
> -static inline struct page_pool *__netmem_get_pp(netmem_ref netmem)
> -{
> -       return __netmem_to_page(netmem)->pp;
> -}
> -
>  static inline struct page_pool *netmem_get_pp(netmem_ref netmem)
>  {
>         return __netmem_clear_lsb(netmem)->pp;
> --
> 2.17.1
>


  reply	other threads:[~2025-06-10 11:12 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-09  4:32 [PATCH net-next 0/9] Split netmem from struct page Byungchul Park
2025-06-09  4:32 ` [PATCH net-next 1/9] netmem: introduce struct netmem_desc mirroring " Byungchul Park
2025-06-09 19:32   ` Jakub Kicinski
2025-06-10  1:30     ` Byungchul Park
2025-06-12  1:55       ` Jakub Kicinski
2025-06-13  1:13         ` Byungchul Park
2025-06-14  2:19           ` Mina Almasry
2025-06-17  2:31             ` netmem series needs some love and Acks from MM folks Harry Yoo
2025-06-17 16:09               ` David Hildenbrand
2025-06-17 16:32                 ` Harry Yoo
2025-06-18  0:08                 ` Byungchul Park
2025-06-18  7:51                   ` Pavel Begunkov
2025-06-20  4:12             ` [PATCH net-next 1/9] netmem: introduce struct netmem_desc mirroring struct page Byungchul Park
2025-06-11 20:53     ` Mina Almasry
2025-06-12  1:58       ` Jakub Kicinski
2025-06-17  2:20   ` Harry Yoo
2025-06-19  9:32   ` Vlastimil Babka
2025-06-09  4:32 ` [PATCH net-next 2/9] page_pool: rename page_pool_return_page() to page_pool_return_netmem() Byungchul Park
2025-06-10 11:15   ` Ilias Apalodimas
2025-06-09  4:32 ` [PATCH net-next 3/9] page_pool: rename __page_pool_release_page_dma() to __page_pool_release_netmem_dma() Byungchul Park
2025-06-10 11:11   ` Ilias Apalodimas
2025-06-09  4:32 ` [PATCH net-next 4/9] page_pool: rename __page_pool_alloc_pages_slow() to __page_pool_alloc_netmems_slow() Byungchul Park
2025-06-09  4:32 ` [PATCH net-next 5/9] netmem: use _Generic to cover const casting for page_to_netmem() Byungchul Park
2025-06-09  4:32 ` [PATCH net-next 6/9] netmem: remove __netmem_get_pp() Byungchul Park
2025-06-10 11:11   ` Ilias Apalodimas [this message]
2025-06-09  4:32 ` [PATCH net-next 7/9] page_pool: make page_pool_get_dma_addr() just wrap page_pool_get_dma_addr_netmem() Byungchul Park
2025-06-09  4:32 ` [PATCH net-next 8/9] netmem: introduce a netmem API, virt_to_head_netmem() Byungchul Park
2025-06-09  4:32 ` [PATCH net-next 9/9] page_pool: access ->pp_magic through struct netmem_desc in page_pool_page_is_pp() Byungchul Park
2025-06-09 17:39   ` Mina Almasry
2025-06-10  1:45     ` Byungchul Park
2025-06-11 14:30       ` Pavel Begunkov
2025-06-12  0:39         ` Byungchul Park
2025-06-17  2:37         ` Harry Yoo
2025-06-19  9:55   ` Vlastimil Babka
2025-06-19 10:42     ` Byungchul Park
2025-06-09  6:49 ` [PATCH net-next 0/9] Split netmem from struct page Byungchul Park
2025-06-11 14:25 ` Pavel Begunkov
2025-06-11 20:48   ` Mina Almasry
2025-06-12  0:40     ` Byungchul Park
2025-06-16  7:45     ` Jesper Dangaard Brouer

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