diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index 14e6202ce47f..b25df1f8d48d 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -345,4 +345,22 @@ static inline void copy_highpage(struct page *to, struct page *from)
 
 #endif
 
+static inline void memcpy_from_page(char *to, struct page *page,
+				    size_t offset, size_t len)
+{
+	char *from = kmap_atomic(page);
+
+	memcpy(to, from + offset, len);
+	kunmap_atomic(from);
+}
+
+static inline void memcpy_to_page(struct page *page, size_t offset,
+				  const char *from, size_t len)
+{
+	char *to = kmap_atomic(page);
+
+	memcpy(to + offset, from, len);
+	kunmap_atomic(to);
+}
+
 #endif /* _LINUX_HIGHMEM_H */
diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index 650554964f18..6e30113303ba 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -467,20 +467,6 @@ void iov_iter_init(struct iov_iter *i, unsigned int direction,
 }
 EXPORT_SYMBOL(iov_iter_init);
 
-static void memcpy_from_page(char *to, struct page *page, size_t offset, size_t len)
-{
-	char *from = kmap_atomic(page);
-	memcpy(to, from + offset, len);
-	kunmap_atomic(from);
-}
-
-static void memcpy_to_page(struct page *page, size_t offset, const char *from, size_t len)
-{
-	char *to = kmap_atomic(page);
-	memcpy(to + offset, from, len);
-	kunmap_atomic(to);
-}
-
 static void memzero_page(struct page *page, size_t offset, size_t len)
 {
 	char *addr = kmap_atomic(page);