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2e03c0c5c5
This new helper helps ensure all accesses to zone_device_data use the correct API whether the page is part of a folio or not. v2: - Move to drm_pagemap.h, stick to folio_zone_device_data (Matthew Brost) - Return struct drm_pagemap_zdd * (Matthew Brost) v3: - Add stub for !CONFIG_ZONE_DEVICE (CI) Cc: Andrew Morton <akpm@linux-foundation.org> Cc: David Hildenbrand <david@kernel.org> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Liam R. Howlett <Liam.Howlett@oracle.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Mike Rapoport <rppt@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Zi Yan <ziy@nvidia.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: Balbir Singh <balbirs@nvidia.com> Cc: linux-mm@kvack.org Suggested-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Signed-off-by: Francois Dugast <francois.dugast@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Link: https://patch.msgid.link/20260312192126.2024853-3-francois.dugast@intel.com