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-rw-r--r--include/linux/io.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/io.h b/include/linux/io.h
index fb5a99800e77..3fcf6256c088 100644
--- a/include/linux/io.h
+++ b/include/linux/io.h
@@ -121,4 +121,13 @@ static inline int arch_phys_wc_index(int handle)
#endif
#endif
+enum {
+ /* See memremap() kernel-doc for usage description... */
+ MEMREMAP_WB = 1 << 0,
+ MEMREMAP_WT = 1 << 1,
+};
+
+void *memremap(resource_size_t offset, size_t size, unsigned long flags);
+void memunmap(void *addr);
+
#endif /* _LINUX_IO_H */