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[89.27.86.246]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-3a63bf57909sm4803141fa.29.2026.09.23.23.53.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Sep 2026 23:53:31 -0700 (PDT) From: mpenttil@redhat.com To: linux-mm@kvack.org Cc: dri-devel@lists.freedesktop.org, intel-xe@lists.freedesktop.org, linux-kernel@vger.kernel.org, =?UTF-8?q?Mika=20Penttil=C3=A4?= , David Hildenbrand , Jason Gunthorpe , Leon Romanovsky , Alistair Popple , Balbir Singh , Zi Yan , Matthew Brost , Andrew Morton , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko Subject: [PATCH v15 01/11] mm/Kconfig: changes for migrate on fault for device pages Date: Thu, 24 Sep 2026 09:53:03 +0300 Message-ID: <20260924065313.899730-2-mpenttil@redhat.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260924065313.899730-1-mpenttil@redhat.com> References: <20260924065313.899730-1-mpenttil@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: O0RJ3_Z6_smRXuGJuBiTaDXaPhyFWucCbW2HR_rpDHI_1790232812 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" 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) Acked-by: Balbir Singh --- 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