diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 6081493..3e5a1b1 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -135,7 +135,7 @@
  * Macros to create function definitions for page flags
  */
 #define TESTPAGEFLAG(uname, lname)					\
-static inline int Page##uname(struct page *page) 			\
+static inline int Page##uname(const struct page *page)			\
 			{ return test_bit(PG_##lname, &page->flags); }
 
 #define SETPAGEFLAG(uname, lname)					\
@@ -173,7 +173,7 @@
 	__SETPAGEFLAG(uname, lname)  __CLEARPAGEFLAG(uname, lname)
 
 #define PAGEFLAG_FALSE(uname) 						\
-static inline int Page##uname(struct page *page) 			\
+static inline int Page##uname(const struct page *page)			\
 			{ return 0; }
 
 #define TESTSCFLAG(uname, lname)					\