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Thu, 19 Mar 2026 13:59:27 +0000 Received: from DS7PR12MB9473.namprd12.prod.outlook.com ([fe80::f01d:73d2:2dda:c7b2]) by DS7PR12MB9473.namprd12.prod.outlook.com ([fe80::f01d:73d2:2dda:c7b2%4]) with mapi id 15.20.9723.016; Thu, 19 Mar 2026 13:59:27 +0000 From: Zi Yan To: "David Hildenbrand (Arm)" Cc: linux-kernel@vger.kernel.org, Catalin Marinas , Will Deacon , Huacai Chen , WANG Xuerui , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?tWlr7GM+Qbe0UFhRvCRS74i8dyqXLFtZDvTFrYS4/pEoD6CQFenMMKcr21VN?= =?us-ascii?Q?RbdXpEhSxiOEq0xESYH/YYfGwmZ5K5qfzjWXUOPzTuNfjQra/3DcYXsYOmQo?= =?us-ascii?Q?yApb6a8RKEMmfSgGWk6kkQ2ZOsQU7Zdw8d+ILzk3N/WXrcj4fzjWDvxhMbXq?= =?us-ascii?Q?6PZMpstQHjHmK/OrOQUqkTMWc5VbcfIqLglxqTbv3yS1LgrzlNlGhqmj4DdJ?= =?us-ascii?Q?5Fv9RSvOfFQ7GEKTUOPiVMq/E0IW4LoD7iJeaFcUBsDD4x95hgP2MRl+A9vY?= =?us-ascii?Q?GDL5uPd/L8hFjgE9c1A4ELTHias2DtvaOAYrZVQ+sWq/St7IK4Z1chFV3Bsu?= =?us-ascii?Q?IZU1pZsZ2uVh1ll3U+XllSTwILnzM0YPKmkNTIqKBSRMnTxd2h5dgZzpMiOj?= =?us-ascii?Q?2gmpuOdpbN5BlwmM6Jd//hihcEysiT9a/4JpBQj2DyLRcxCG0huQ77AvTXv/?= =?us-ascii?Q?riZMZooBLIaUUaQ4oLrpjH9O5BGoj1NjV4v9ghaeEUEe97D2G5p9iRiNjwD3?= =?us-ascii?Q?2fbvo9VBQAFuoYCHYaaYQSAHoulJhSLQe6In+eErXuyWE6A7htrUoNMfj3Y9?= =?us-ascii?Q?IsDDHqu+m9zXWvp3/hP07RRNjqjCWwG/ARbH4oJnsykhJaUNCrn47oXmx6Uz?= =?us-ascii?Q?N1qCh80j618E5hKGscqfdBgirQEJOk/7JVTxSTkbHLbh0u6/DByiSy4V6OW+?= =?us-ascii?Q?xbVpFouUbU3SFRVJyFVNVJTE01ox0oK9FetGQ1fxGXrWoaqfsO55tQCmyjp+?= =?us-ascii?Q?+jXy3816CvKr4pMvFST11s5KZCkn9qRUXbkdKpK4xBVFsZT5PebH3hWhklej?= =?us-ascii?Q?077Cr0CX1Ip/Ht02tHFk1gVx2FMohBCIOVzmboXbvl+HubukHYd9+lSrkcfm?= =?us-ascii?Q?5bsbOFPtQZp7CH4U1z6ZuxfJ2L4cCOaPRo6I2ZIppGQZ4WrnXpHbKPczOQ3s?= =?us-ascii?Q?bUckdlHpB9w0Pq2bUmon/Z6JIVLhEq3O/tEymtgGYIPN+24jaiwPnob8fUrx?= =?us-ascii?Q?IwUo80XL+DqT0ZGJX1Xstm4d/Q/YaC+3waf+sNYrg+9pABEKJAI/38kqgN/V?= =?us-ascii?Q?Jl+6+EUmuNzlEQ96SRom7aRSwzhyMKOExFFiQPS2FTibDEfevb0xiVm7IMLh?= =?us-ascii?Q?Blo185ZAc2erN7Ex8frktjkYHdO56DRmw8t81kLz3DbcHOuAOpkOu1wi9puv?= =?us-ascii?Q?1Ymnn2xqCnxSiPd08tm/plWft2NBoevmNwNsGK+vluCNbb9JtupIbkhCZOPP?= =?us-ascii?Q?rJxmuQRLuqQ+/v63Hzu9v2lMA9SISwL/sIGXmlDJuyOOQGJuAgo/mr8JdvXN?= =?us-ascii?Q?KidOvh9xWT9I0CvAf5PdVw/NNZMtjkA5QfeeJY+jK2X1Yjdk3dHqCbXmHl13?= =?us-ascii?Q?QHCBu+allyoV8WQEV8ArQuxEzaq/m2ve1LcdBa1VzNWTulYgk7a5s35zNsdm?= =?us-ascii?Q?VuTJgco1In8mza/jHbd+smurlC+o9pvOQDwWW0ZL+nPN4hqwImbmB1yT/Ihs?= =?us-ascii?Q?7ce33QXVYWbFj4X9USu3xLMaNilq7QdbfKvzWUi+wKSCO5siYZCx92EObNjx?= =?us-ascii?Q?e7LHj0TgEaL5tgTiOHD013XsiN+pVLhmsqjkRpbKf7e3PWEL86aoFJL+f03v?= =?us-ascii?Q?mTNFnz0O5CM/nJPjRXWgA/8387JGjSJara+8STF2CGLvgyENdw4VBnCNRoAs?= =?us-ascii?Q?lMk658LAYNW5uXKfhgQGr7AZOac5Lm7nB6kPf3erSJsM8MowJwpFYEqIR4qv?= =?us-ascii?Q?iQ7Xy2L7jw=3D=3D?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 960d6495-a2fb-460c-b6a1-08de85bfbb91 X-MS-Exchange-CrossTenant-AuthSource: DS7PR12MB9473.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Mar 2026 13:59:27.2957 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: ywYTzJGDYYjf6VoPyKO85bKBKhFdsBcSPj+10+PyWKiYnq2whU44+Z1zL3/dQtBL X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB999108 On 19 Mar 2026, at 4:19, David Hildenbrand (Arm) wrote: > All architectures that select CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE also > select CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG. So we can just remove > CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE. > > For CONFIG_MIGRATION, make it depend on CONFIG_MEMORY_HOTREMOVE instead, > and make CONFIG_MEMORY_HOTREMOVE select CONFIG_MIGRATION (just like > CONFIG_CMA and CONFIG_COMPACTION already do). > > We'll clean up CONFIG_MIGRATION next. > > Signed-off-by: David Hildenbrand (Arm) > --- > arch/arm64/Kconfig | 1 - > arch/loongarch/Kconfig | 1 - > arch/powerpc/Kconfig | 1 - > arch/riscv/Kconfig | 1 - > arch/s390/Kconfig | 1 - > arch/x86/Kconfig | 1 - > mm/Kconfig | 9 +++------ > 7 files changed, 3 insertions(+), 12 deletions(-) > Makes sense to me. Acked-by: Zi Yan Best Regards, Yan, Zi