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PAGE_REPORTING_ORDER_UNSPECIFIED is now set to zero. This means, pages of order zero cannot be reported to a client/driver -- as zero is used to signal a fallback to MAX_PAGE_ORDER. Change PAGE_REPORTING_ORDER_UNSPECIFIED to (-1), so that zero can be used as a valid order with which pages can be reported. Link: https://lkml.kernel.org/r/20260303113032.3008371-5-yuvraj.sakshith@oss.qualcomm.com Signed-off-by: Yuvraj Sakshith <yuvraj.sakshith@oss.qualcomm.com> Acked-by: David Hildenbrand (Arm) <david@kernel.org> Reviewed-by: Michael Kelley <mhklinux@outlook.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Cc: Brendan Jackman <jackmanb@google.com> Cc: Dexuan Cui <decui@microsoft.com> Cc: Eugenio Pérez <eperezma@redhat.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: Jason Wang <jasowang@redhat.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: K. Y. Srinivasan <kys@microsoft.com> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Long Li <longli@microsoft.com> Cc: Lorenzo Stoakes (Oracle) <ljs@kernel.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Wei Liu <wei.liu@kernel.org> Cc: Xuan Zhuo <xuanzhuo@linux.alibaba.com> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>