memremap: remove the data field in struct dev_pagemap

struct dev_pagemap is always embedded into a containing structure, so
there is no need to an additional private data field.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Tested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/include/linux/memremap.h b/include/linux/memremap.h
index ac985bd03a7f..336eca601dad 100644
--- a/include/linux/memremap.h
+++ b/include/linux/memremap.h
@@ -69,7 +69,7 @@ struct dev_pagemap_ops {
 	 * reach 0 refcount unless there is a refcount bug. This allows the
 	 * device driver to implement its own memory management.)
 	 */
-	void (*page_free)(struct page *page, void *data);
+	void (*page_free)(struct page *page);
 
 	/*
 	 * Transition the refcount in struct dev_pagemap to the dead state.
@@ -104,7 +104,6 @@ struct dev_pagemap {
 	struct resource res;
 	struct percpu_ref *ref;
 	struct device *dev;
-	void *data;
 	enum memory_type type;
 	u64 pci_p2pdma_bus_offset;
 	const struct dev_pagemap_ops *ops;