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Mon, 31 Aug 2026 09:26:29 -0500 From: Xiaogang.Chen To: CC: Xiaogang Chen Subject: [PATCH 0/4] drm/amdkfd: Enable device private memory THP support in kfd svm driver Date: Mon, 31 Aug 2026 09:24:14 -0500 Message-ID: <20260831142418.56423-1-xiaogang.chen@amd.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BY1PEPF0001AE1B:EE_|DS3PR12MB999217:EE_ X-MS-Office365-Filtering-Correlation-Id: 51032f54-2797-4c69-88c5-08df076bd992 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|23010399003|1800799024|82310400026|36860700016|376014|13003099007|18002099003|10067099003|56012099006|11063799006; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; 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Ip=[165.204.84.17]; Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BY1PEPF0001AE1B.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS3PR12MB999217 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" From: Xiaogang Chen Use following work for device-private THP support in kfd driver to add 2MB/THP support in migration. The implementation enables efficient migration of large folios between system memory and device-private memory. https://lore.kernel.org/linux-mm/20251001065707.920170-1-balbirs@nvidia.com/ Xiaogang Chen (4): drm/amdkfd: Add awareness of THP of device and system RAM in kfd svm driver drm/amdkfd: Change migration size in CPU/GPU page fault handler to THP size drm/amdkfd: Apply HMM THP zone device-private memory migration in kfd driver drm/amdkfd: Apply AMDGPU_PTE_FRAG to pte of gart page table for THP mapping drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 290 ++++++++++++++++++----- drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 17 +- drivers/gpu/drm/amd/amdkfd/kfd_svm.h | 12 + 3 files changed, 256 insertions(+), 63 deletions(-) -- 2.34.1