From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qk2-f3.google.com (mail-qk2-f3.google.com [74.125.230.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CC7D831B114 for ; Fri, 25 Sep 2026 20:15:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.230.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790367327; cv=none; b=I0vQRvwRJmL/lgbS03c8eqV9vLzf4vnOvQ9e4gpN+pgyvklz3LJPK7nUkC+L8mdHAX5vjWxC2c6+rxCOoQIXqVd7zzm056I8OzOK/Be9c/eZCU1d9utlLL8jmZ2ci5Q1ViwWBWB2BUxt8w1zXRUux6vTM4YkbakRHujtXXhAWZM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790367327; c=relaxed/simple; bh=ALYl12gLhsiNhtcMZjfd5rX30wOKdu7pyFoh6zjE+UE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=IDnUajmY1gvhc9VQulNX9zQId8BZsG+aHm1ICjKZ5AulYea3W937CGAGpI5DWiKqp61ZWQFH5jeVmL2kwJD2eEzy4LT3XNwXOg/N+fZDKkRdgZ9h52F8nHiIZzytvOKqhZthfXx2r+bHXx6AwryqlO8uMyHzDT1HYDM4ubxMJqY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=bD6rFeMT; arc=none smtp.client-ip=74.125.230.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="bD6rFeMT" Received: by mail-qk2-f3.google.com with SMTP id d75a77b69052e-53321db7e06so392001cf.0 for ; Fri, 25 Sep 2026 13:15:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1790367324; x=1790972124; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=i787Azbb9NshFsfx+SOyDOlWdaaHwqbmq28lZ4vZiLQ=; b=bD6rFeMTOm7H4g7X1sZak6NTwW8tqUTxU/WOtLdLTSKdJqdC/aWkoSDLunFHn50OKf Uc4IyTsfWqqcpco3d5spxsxLvZ1lxq5/zdbML160gYnFyBGxxzBFOPkVu9zVydygsAT6 TabkvsYqTBS8dOLj/lUnsOazcVl493isQbDx+P1n95LcleFOAm7ZE/4k096Q39LmKSQH wgrj4upj6xeWYS3X2NGfnN6SFxxEbd2l5qm7nttUyyvMtY5u1SMOG0966hgwiDp4dCYl O+p7p3PIzE2hN7/5HVt4mqZc1lxqwjUXOdEh1fxWp/Y2YzRwdDWhDi/yfh73bMWfiLFc bQpg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790367324; x=1790972124; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=i787Azbb9NshFsfx+SOyDOlWdaaHwqbmq28lZ4vZiLQ=; b=GJKd4syGmSeDtFBL38rtfQjR0Dl6PVNYCoHlfulPnXo3gIqEp51I7H4JTYwoB11Xt9 GIXJOa2XIofi4spBss/GLXIL7QcUMEq0pzF1RCQeYxDcEPFuafZOGkcMMT8+zaydnLN4 NgRsCPBmZtuBvtxC0EArfDuyCKZrSNsvsQ6g1TkUe80x8g4rYzFLb5VLJWxok000JOrk s2l9bSchoH7sJyvaG0elRSQdytX8X/huJ2LTIvmszQXWrzvs+Dayy8n5Xllr9RctCEU7 45qqWHPdBoAnOazFU7WSFYVrAl3icEdWrQbgElOwxSe8c7NBUQOGszN6jYDY2ylNeFub Ko5w== X-Forwarded-Encrypted: i=1; AKwUvBw0vhtyl+P0ASr39OQAu4pPl8vi5jRQRbzM7EdORunwy9My3/3iOtjZVpzLeGXdRgs2K8MH2epgBH55Mlg=@vger.kernel.org X-Gm-Message-State: AFuF++meZEZaPCL8EY7ITIBIsEkJX7eeqbq7/yQqLoVtVA+7dfeQRG8n HtrSl/Ecphqb1ZteBi1xtYmqQApuoI5gm8nlUqnaNvp8K5gU9muLp4hY X-Gm-Gg: AYBFou3bnFGFHHkomNRgIqUN5/9j2uEzGCpWw2IiALzRnAEwSnQw/3t75LA4uGDxkb/ W0WJ3cv4/X0G2KYIjEe/LEakzdOKmUqtEuIdcnqRcmR6MMVZfo1Nz/Or/IuEeZFXZkgMkWks4U+ K00/MqrPp1A98ggwlo4P4ePSjmiR23aZmaGAPv1s36t4MpDN7ehGgmeDAaBoy1et5Dw2WjcCObh 7cvumtELNu/Ahc+rOYd5mWtP5k9iFQUoY0+K1E/OsgZXXngQqG70NQq9o8QShSRVIKiC800/0xm 10GFozW7MuzaUc6TttJeRYldhsPSYQMK0suq4joLAoMTWKJzQSiKlX5YMDkmGcNWxHFx6SnuHB1 z455NKkonqv+xS1vdSkcy79xFwWG/WqsFMlBpIQAu/JtOxnBmTow4ZCGjQdylNQ7EVqBQEwtmTW Rd2VyMX1yQ+Okbx9wyMW7Pc0sb6eVJczBXqrhpZakl14RcZxWr9GqxnOX6K6BYW6U5fRx1nfUbz sw= X-Received: by 2002:a05:622a:156:b0:532:9eb6:8498 with SMTP id d75a77b69052e-5330b5f1b5dmr63949371cf.22.1790367324268; Fri, 25 Sep 2026 13:15:24 -0700 (PDT) Received: from localhost ([2a03:2880:2ff:4e::]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-53322132ef3sm1163031cf.10.2026.09.25.13.15.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Sep 2026 13:15:23 -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, sdf@fomichev.me, bobbyeshleman@meta.com, almasrymina@google.com, kaiyuanz@google.com, linux-kernel@vger.kernel.org Subject: [PATCH net-next v2 0/3] net: consolidate devmem net_iov freelist and DMA handling Date: Fri, 25 Sep 2026 13:15:19 -0700 Message-ID: <20260925201522.254717-1-sdf@fomichev.me> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-kernel@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 devmem's net_iov freelist and DMA-address handling. - move devmem freelist to index-based approach with push/pop helpers - 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 v2: - drop io_uring conversion (Pavel) Stanislav Fomichev (3): net: netmem: move to index based freelist 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 | 27 +++++++++++ include/net/page_pool/helpers.h | 10 +--- net/core/devmem.c | 81 ++++++++++++++++++++------------- net/core/devmem.h | 4 +- net/core/page_pool_priv.h | 14 +----- 6 files changed, 87 insertions(+), 56 deletions(-) -- 2.53.0-Meta