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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko Subject: [PATCH v14 01/12] mm/Kconfig: changes for migrate on fault for device pages Date: Tue, 22 Sep 2026 08:34:10 +0300 Message-ID: <20260922053421.4092027-2-mpenttil@redhat.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260922053421.4092027-1-mpenttil@redhat.com> References: <20260922053421.4092027-1-mpenttil@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: l65Nip7QcSvn093p5UiZ_6e3w022fm6tAYTFbZ5Ojys_1790055284 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: D89DC40002 X-Stat-Signature: n11xhtwap96yexpx54mpm6fz1s7to94m X-Rspam-User: X-HE-Tag: 1790055287-411127 X-HE-Meta: U2FsdGVkX1/R1+7DVbZVTGnWvb2BTBF/EmtZHBn9OQQtB/vghXHmg8aPwC5dLrJeUndZP8X9ea1Q9PjeXnAiSXaXj5TWIoDwtwwJVWaRMgoBTlJH6Ai74UEMHuMnb732H5NrWoNXtuH1AG+cfelpbEEVpOmQlco35WWIXqcxUSiU8g3g1i/K/tuFr0bM+iW4YLoJT5wla2dAwJoFZeKAC1/3qzPx50Fd4TZxjkxSt34ySXKiQxImql5YF2ymmcRCus+TZPpbAWcIMJ4jmg3C1S5zjYD4y65HJerWk/dVI0dkxWaoamYLqiDxKogNJfNjAUrdiB269DwPo8SYH8W0v9Hbd+6P3HJvFqMMP4xvmD73RXLyg9mEk8rMGOksem/Bs8WT5kNhUdP1HrHLWdn5hj0Aq9zUkwujxkaf4Az7TV6Bxbvn8EpWm9M7r5kqpNbJHWjHXNu7qP3kOvRiL1AFzu/tkFfkM460AMfoFa1zwVMxiOShYRgX8jv4A3MuBUqjlyoh4M1Mep5DDCm5MTWd2bpBgxY64Q4cRmMI4ug2AM0QdwdMdmCUvj8RfBHeJVbfBe0/8I6lj45r0rcwzDDha7kmN0ZfzZU3LzfFdDmwW2pXYbo5JQrE164NI21bZtLHgOn56CW38+zNy1Gt52yrN03rhPEEww/7fUOzJeR65tmtXyRUmpJsKEtZ3brZF9ywjjpHl8fSK0Ff5F2OR59ZNuGUAn2Yloygqh/bN/Q8Jz3pOKEV3kq77PZJZT7xCScgFVZlKvLBlzOStVcmmwEjmFCXfCXB66FwTjdbVkSKjaEAZcP1msQdd+OomdC1RgXMp5T74TOgqKqwBc3m93VSLlJrC/nvLxR9+O3fSGMi2RC8Xo3lFM+w0XZKc7YReHmuk8zXtObWXXgGLML1dlALv0QviPTJFK5iM0OrLMNf6cj2MRzfxHB17kaqh5xR7HuLOZcrt/uukqaqSPg+Fzu XeV+dgSe 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Mika Penttilä HMM depends on MMU notifiers. With the unified HMM/migrate_device page table walk migrate_device needs HMM enabled. Enable them explicitly to avoid breaking random configs. Cc: Andrew Morton Cc: David Hildenbrand Cc: Lorenzo Stoakes Cc: "Liam R. Howlett" Cc: Vlastimil Babka Cc: Mike Rapoport Cc: Suren Baghdasaryan Cc: Michal Hocko Signed-off-by: Mika Penttilä Acked-by: David Hildenbrand (Arm) --- mm/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/Kconfig b/mm/Kconfig index 604c58199acb..b7a485beb9a7 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -687,6 +687,7 @@ config MIGRATION config DEVICE_MIGRATION def_bool MIGRATION && ZONE_DEVICE + select HMM_MIRROR config ARCH_ENABLE_HUGEPAGE_MIGRATION bool -- 2.55.0