diff --git a/include/linux/swap.h b/include/linux/swap.h
index 49b1dd2c100b6594340613ace045771dfacacea3..ac9bd84c905ebf2489c07a0f3ac363d46e8d6757 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -537,7 +537,11 @@ static inline void put_swap_device(struct swap_info_struct *si)
 {
 }
 
-#define swap_address_space(entry)		(NULL)
+static inline struct address_space *swap_address_space(swp_entry_t entry)
+{
+	return NULL;
+}
+
 #define get_nr_swap_pages()			0L
 #define total_swap_pages			0L
 #define total_swapcache_pages()			0UL