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b=dqrVxygzJn9L13hv02/ZfP+LcmYFGietL2GWQ3HobiiKUzzGrIC6Yp7g8wzbTCLZ7 Kt1D9W8NX+EFwtyCARdizDjCQk+CMRqA6xQCudmWzEwraA+IfCEIZdL8NEkPL03QlY VV2QVhqYiwvadcPT7EZPqtFG5CXr2rww2zL00V9hxbq4Ca2GKILgeJ6/mABoJ7o1uC 9elBCeiSi0WlBfacIUn4+ztPTQTW4c3BxsFxlr5oHiphUiJBeZug+0hyC22D6mQufZ 2qJpGV39IgB189+jkIx9bC3yjuUDkhAidwIxn9SS1QZH2TaEJwYf1ZiuD32/IvM4OB pQV9hv5gd+wgQ== Message-ID: <27363482-efa5-49bf-94e4-6d93a662ecaa@kernel.org> Date: Thu, 3 Jul 2025 15:29:19 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next v8 0/5] Split netmem from struct page To: Byungchul Park , 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, 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, hannes@cmpxchg.org, ziy@nvidia.com, jackmanb@google.com References: <20250702053256.4594-1-byungchul@sk.com> Content-Language: en-US From: Jesper Dangaard Brouer In-Reply-To: <20250702053256.4594-1-byungchul@sk.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: 8zng5iwstyi9cwcjdmtiu6whk18uybin X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: CEA421C000D X-Rspam-User: X-HE-Tag: 1751549370-987018 X-HE-Meta: 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 f3qBw+Zl e/3J1MdEUkolLM7N6u0+wkLc8pQ601a4i0o02ILHEFHLYOYukuuMxM9XsEzBwjG0IIjZQmhq7mFjTRqF+llQi5gQzF2IqrmOGsAv5p29aJKL6tQ6tewj6uekO5cuLLjbCElXxzBlsG7F9nWvdEbYLJoTjv+ez9LI2EnIvP3WKiiVOw/UA8/BDEmYn5PbYQrHYU9CxXNn/hC8QVZsRAZPCANS7d+FUAYdOborni0wogDH4a55sFECL2Vg0jBNtTNsHA4GUfaGLj+1Bt+mIiMEoVwLQxOMoVaZA8NmBSXRmvJ6hLQjsQHc0Gxb3FPByR4/pTV5UwuP40USEn/M8OEq8eklMcsXfmmepd32lebf7r4BvTYQ= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 02/07/2025 07.32, Byungchul Park wrote: > Hi all, > > In this version, I'm posting non-controversial patches first since there > are pending works that should be based on this series so that those can > be started shortly. I will post the rest later. > > The MM subsystem is trying to reduce struct page to a single pointer. > The first step towards that is splitting struct page by its individual > users, as has already been done with folio and slab. This patchset does > that for netmem which is used for page pools. > [...] > > Byungchul Park (5): > page_pool: rename page_pool_return_page() to page_pool_return_netmem() > page_pool: rename __page_pool_release_page_dma() to > __page_pool_release_netmem_dma() > page_pool: rename __page_pool_alloc_pages_slow() to > __page_pool_alloc_netmems_slow() > netmem: use _Generic to cover const casting for page_to_netmem() > page_pool: make page_pool_get_dma_addr() just wrap > page_pool_get_dma_addr_netmem() > > include/net/netmem.h | 7 +++---- > include/net/page_pool/helpers.h | 7 +------ > net/core/page_pool.c | 36 ++++++++++++++++----------------- > 3 files changed, 22 insertions(+), 28 deletions(-) Acked-by: Jesper Dangaard Brouer