4 files changed, 18 insertions, 20 deletions

diff --git a/include/linux/dma-buf-mapping.h b/include/linux/dma-buf-mapping.h
index a3c0ce2d3a42..09bde3f748e4 100644
--- a/include/linux/dma-buf-mapping.h
+++ b/include/linux/dma-buf-mapping.h
@@ -9,7 +9,7 @@
 
 struct sg_table *dma_buf_phys_vec_to_sgt(struct dma_buf_attachment *attach,
 					 struct p2pdma_provider *provider,
-					 struct dma_buf_phys_vec *phys_vec,
+					 struct phys_vec *phys_vec,
 					 size_t nr_ranges, size_t size,
 					 enum dma_data_direction dir);
 void dma_buf_free_sgt(struct dma_buf_attachment *attach, struct sg_table *sgt,
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index 91f4939db89b..133b9e637b55 100644
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -520,16 +520,6 @@ struct dma_buf_export_info {
 };
 
 /**
- * struct dma_buf_phys_vec - describe continuous chunk of memory
- * @paddr:   physical address of that chunk
- * @len:     Length of this chunk
- */
-struct dma_buf_phys_vec {
-	phys_addr_t paddr;
-	size_t len;
-};
-
-/**
  * DEFINE_DMA_BUF_EXPORT_INFO - helper macro for exporters
  * @name: export-info name
  *
diff --git a/include/linux/memory-failure.h b/include/linux/memory-failure.h
index 7b5e11cf905f..d333dcdbeae7 100644
--- a/include/linux/memory-failure.h
+++ b/include/linux/memory-failure.h
@@ -4,8 +4,6 @@
 
 #include <linux/interval_tree.h>
 
-struct pfn_address_space;
-
 struct pfn_address_space {
 	struct interval_tree_node node;
 	struct address_space *mapping;
@@ -13,7 +11,18 @@ struct pfn_address_space {
 				unsigned long pfn, pgoff_t *pgoff);
 };
 
+#ifdef CONFIG_MEMORY_FAILURE
 int register_pfn_address_space(struct pfn_address_space *pfn_space);
 void unregister_pfn_address_space(struct pfn_address_space *pfn_space);
+#else
+static inline int register_pfn_address_space(struct pfn_address_space *pfn_space)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline void unregister_pfn_address_space(struct pfn_address_space *pfn_space)
+{
+}
+#endif /* CONFIG_MEMORY_FAILURE */
 
 #endif /* _LINUX_MEMORY_FAILURE_H */
diff --git a/include/linux/vfio_pci_core.h b/include/linux/vfio_pci_core.h
index 1ac86896875c..2ebba746c18f 100644
--- a/include/linux/vfio_pci_core.h
+++ b/include/linux/vfio_pci_core.h
@@ -28,7 +28,6 @@
 struct vfio_pci_core_device;
 struct vfio_pci_region;
 struct p2pdma_provider;
-struct dma_buf_phys_vec;
 struct dma_buf_attachment;
 
 struct vfio_pci_eventfd {
@@ -62,25 +61,25 @@ struct vfio_pci_device_ops {
 	int (*get_dmabuf_phys)(struct vfio_pci_core_device *vdev,
 			       struct p2pdma_provider **provider,
 			       unsigned int region_index,
-			       struct dma_buf_phys_vec *phys_vec,
+			       struct phys_vec *phys_vec,
 			       struct vfio_region_dma_range *dma_ranges,
 			       size_t nr_ranges);
 };
 
 #if IS_ENABLED(CONFIG_VFIO_PCI_DMABUF)
-int vfio_pci_core_fill_phys_vec(struct dma_buf_phys_vec *phys_vec,
+int vfio_pci_core_fill_phys_vec(struct phys_vec *phys_vec,
 				struct vfio_region_dma_range *dma_ranges,
 				size_t nr_ranges, phys_addr_t start,
 				phys_addr_t len);
 int vfio_pci_core_get_dmabuf_phys(struct vfio_pci_core_device *vdev,
 				  struct p2pdma_provider **provider,
 				  unsigned int region_index,
-				  struct dma_buf_phys_vec *phys_vec,
+				  struct phys_vec *phys_vec,
 				  struct vfio_region_dma_range *dma_ranges,
 				  size_t nr_ranges);
 #else
 static inline int
-vfio_pci_core_fill_phys_vec(struct dma_buf_phys_vec *phys_vec,
+vfio_pci_core_fill_phys_vec(struct phys_vec *phys_vec,
 			    struct vfio_region_dma_range *dma_ranges,
 			    size_t nr_ranges, phys_addr_t start,
 			    phys_addr_t len)
@@ -89,7 +88,7 @@ vfio_pci_core_fill_phys_vec(struct dma_buf_phys_vec *phys_vec,
 }
 static inline int vfio_pci_core_get_dmabuf_phys(
 	struct vfio_pci_core_device *vdev, struct p2pdma_provider **provider,
-	unsigned int region_index, struct dma_buf_phys_vec *phys_vec,
+	unsigned int region_index, struct phys_vec *phys_vec,
 	struct vfio_region_dma_range *dma_ranges, size_t nr_ranges)
 {
 	return -EOPNOTSUPP;
@@ -236,6 +235,6 @@ static inline bool is_aligned_for_order(struct vm_area_struct *vma,
 }
 
 int vfio_pci_dma_buf_iommufd_map(struct dma_buf_attachment *attachment,
-				 struct dma_buf_phys_vec *phys);
+				 struct phys_vec *phys);
 
 #endif /* VFIO_PCI_CORE_H */