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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: OPLX4daEFxHtstwbTnvP1kRvG0t3KyHPep9jXW9JtWY_1790232813 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: E7B05C0003 X-Stat-Signature: dkktuccqfjxr5z1475fkcuwbunxq8qh5 X-HE-Tag: 1790232815-330643 X-HE-Meta: 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 faZXslaE 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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) 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