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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Luigi Rizzo Cc: Greg Kroah-Hartman , "Rafael J . Wysocki" , Andrew Morton , David Hildenbrand , netdev@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux.dev, driver-core@lists.linux.dev, linux-kernel@vger.kernel.org References: <20260615234220.3946885-1-lrizzo@google.com> <20260824152932.1583506-1-lrizzo@google.com> <20260824152932.1583506-6-lrizzo@google.com> Content-Language: en-US From: Dragos Tatulea In-Reply-To: <20260824152932.1583506-6-lrizzo@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: FR0P281CA0203.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:ad::9) To CH3PR12MB8728.namprd12.prod.outlook.com (2603:10b6:610:171::12) Precedence: bulk X-Mailing-List: driver-core@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH3PR12MB8728:EE_|SN7PR12MB8820:EE_ X-MS-Office365-Filtering-Correlation-Id: 9e96e49e-5d10-4868-d027-08df02069734 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|1800799024|7416014|376014|366016|22082099003|18002099003|11063799006|56012099006|4143699003|10067099003|921020; 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Mismatched pages are immediately evicted back to their > respective allocators, achieving rapid, lockless mode conversion across > active network streams without requiring interface or queue resets. > This could be a separate page_pool allocator. It could be similar to how ZC works: pre-allocate some coherent DMA buffers and allocate from there. Thanks, Dragps