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Tue, 22 Sep 2026 13:43:49 -0700 (PDT) Received: from localhost ([2a03:2880:2ff:8::]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-87d1d4c483asm289145b3a.21.2026.09.22.13.43.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Sep 2026 13:43:49 -0700 (PDT) From: Stanislav Fomichev X-Google-Original-From: Stanislav Fomichev To: netdev@vger.kernel.org Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, hawk@kernel.org, ilias.apalodimas@linaro.org, asml.silence@gmail.com, axboe@kernel.dk, sdf@fomichev.me, bobbyeshleman@meta.com, almasrymina@google.com, kaiyuanz@google.com, linux-kernel@vger.kernel.org, io-uring@vger.kernel.org Subject: [PATCH net-next 0/3] net: consolidate net_iov freelist and DMA handling Date: Tue, 22 Sep 2026 13:43:45 -0700 Message-ID: <20260922204348.717198-1-sdf@fomichev.me> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Follow up on the recently merged devmem gen_pool removal by consolidating the remaining net_iov freelist and DMA-address handling. - move shared freelist state and operations into net_iov_area - switch devmem to public memory-provider helpers and reject DMA addresses that cannot be represented - decode stored DMA addresses for TX on 32-bit systems with 64-bit dma_addr_t Stanislav Fomichev (3): net: netmem: add net_iov_area freelist helpers net: devmem: use memory provider helpers for net_iovs net: devmem: decode DMA addresses for TX include/linux/skbuff.h | 7 ++- include/net/netmem.h | 55 ++++++++++++++++++++++- include/net/page_pool/helpers.h | 10 +---- io_uring/zcrx.c | 25 ++++------- io_uring/zcrx.h | 4 -- net/core/devmem.c | 77 +++++++++++++++------------------ net/core/devmem.h | 7 ++- net/core/page_pool_priv.h | 14 +----- 8 files changed, 108 insertions(+), 91 deletions(-) -- 2.53.0-Meta