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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?qgiQawXbQ8pQLB282N3di8yga66LIB7kWM8bJdx1+BjcmTdco3fzPMM1T7wT?= =?us-ascii?Q?ukoskQCJZEa6h3KjhkyMc/DUh74x07XWHPKWFFx1L6u9H5is9A9IsBxywbet?= =?us-ascii?Q?5FDXTe8jGCJyED7+P/WUSLIrNbQwaBXuD+qrDR+UDAKkarPVwpUwZ1G8mIyG?= =?us-ascii?Q?7L4nFBgHrSMCQOwlByEW2hOmj4s7FdGazwx3ALCvWPPW6Ks0a11KwzKaon0K?= =?us-ascii?Q?iLP++of6Delr83vZgMVneKIuWzetCpIfC2Z9dqpsh+hlZjcyfytBbJbEFZpq?= =?us-ascii?Q?N8ImYVOEftQenLMazZ4KeUflM/KSl9Vjg4snzNhDVMdL4o7dKSARw4tjIQGY?= =?us-ascii?Q?7zGdxBnp9Eh7hLzYGABkwOuNGW5+iB99wbly7VT2jRfY3qXIGXtLiawe0zcO?= =?us-ascii?Q?cS8xOUZt9TmzhfBvw7ybM2sZpIKxRZ+SzjGcDrJYInfkE7d6Pff5sC7jQlxH?= =?us-ascii?Q?/1g/+RafEMZoSs/WxYru+prxyZTa3r0VTf3Z/5kRKmH2yXVVtJFlL19ZdX/0?= =?us-ascii?Q?5L0iA+2p76/1/5pcGFNXwcqkFOwISd2RtEruc113BRjncZHdPphYU1fHGiHX?= =?us-ascii?Q?uwewe6ggwKfIdBIUxB4dYFQQXLOaWQ3MSiKjKvI+ZGUw8FjRJVI3RNWya5Vd?= =?us-ascii?Q?ahFV6I+/e9+XTP3rxa45EQkabu8wBOIQqMk+Xqkq7j4FTaC1nfzKZQZl2v0u?= =?us-ascii?Q?WPyOMFP9sh7vBIzIhVZjleWaNtl6tgTpLhO5tjsOpFHEATCMt7aikjdXY6GH?= =?us-ascii?Q?yxbznD5E20Kv06iEThL2M76JGmGmRrC/Hvt3A7Wj2QwSQnp55TJptCjAh6zg?= =?us-ascii?Q?yZ/KHhcIR4IXLQtWq43OAVw/j9RorcYVqeEpQwFuQUeT/LzvR2OmUkLCOYEw?= =?us-ascii?Q?Uw2BaBxBDGzd2u/x5ijmSkub+L858uQOQxTpSKWz+DBDMpS81wkeSYoJZ34o?= =?us-ascii?Q?PNxK8MSxH8x1n70M6PdZxxVmkCbVc0il6byOLrDyVwn8KhJp9b7ZlB2EuXv3?= =?us-ascii?Q?wxVdQLt5yFNLW5XxP86w+mBOUx6E9LzdrXbdP6t2veKyY+iNmBp6omJzrSim?= =?us-ascii?Q?oZAHAcLftuttRbbmiYiHjeRrQlLbut4+MNfp4IKlzc0sl2IHb0y+eA6FCaV7?= =?us-ascii?Q?3eFODf9xuOgqvAl7wMel6pY8qshfkPNjtTTPa+05dD31kSjJPP+cAwCk6X1m?= =?us-ascii?Q?NK46NLBZNKaAqkUoKwunLmbqiMlce1gvLLiIYFYFT2ngGsgLU0pj8iQbn2yS?= =?us-ascii?Q?wRcmzk4q3AM/JR8znSaogGYiFQdhyhhGl415zOXGq+YOuAavwrFYBu7OYrW3?= =?us-ascii?Q?fAQQKXcl+ZOiGmuO+T34rb9IjdLLLuumCIz1vUitpxxcA3pf9ho3VKayW2fI?= =?us-ascii?Q?EfcyqBAqOuiCvNstQVQdM4OoGOwsADFueqPVeOnbCTXA3baN9DSVy1YvJHRD?= =?us-ascii?Q?+cqchy4lnOkU93HDJuXKV+N6rSmarp3fQqr3uC7czCiTnRseQ60vW7jnPo14?= =?us-ascii?Q?YyC6rZGYZLlgckON66oPjk6mTdRFLt3X7zd13Nm3bCPIgOtg8w0QxmNb7U4y?= =?us-ascii?Q?ckiMUmK2icQ5N8GW5pU8kzc483xGFnhDjxSwJCoovdEEAaZJ5JZ5T4e+wf6l?= =?us-ascii?Q?Uw=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: b0dde053-743c-446c-4dea-08db088fb941 X-MS-Exchange-CrossTenant-AuthSource: PH8PR11MB8107.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Feb 2023 22:15:58.6715 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: HUK/p7lyXuCykwa2m2CFQAoAXMdGmk+uPNSENqH6o43wYJMkZN/d38aSQQCifk17aW4OwvEOMU5JqJIde3aCM7HvGw5X0kdNSmDXaGOQ+q0= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL3PR11MB6531 X-OriginatorOrg: intel.com Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org Gregory Price wrote: > On Sun, Feb 05, 2023 at 05:04:05PM -0800, Dan Williams wrote: [..] > > Stupid question: when defaulting to online, do these devices get placed > into Zone Normal? Is there a way for us, at a minimum, to online this > as Zone Moveable in an effort to assist the "hope the kernel has not > pinned a page" problem (and to try to keep kernel resources out of this > zone in general). > > If this is covered by a different patch or already set up this way, > ignore me :] Have a look in Documentation/admin-guide/mm/memory-hotplug.rst, the 'daxctl recconfigure-device' man page and the the policy options of how hot-added memory is brought online. The routing can be anything from fully offline device-dax, to fully online ZONE_NORMAL, or even a mix of device-dax subdivision, ZONE_NORMAL, and ZONE_MOVABLE memblocks all within one CXL ram region.