mm: use const struct page for r/o page-flag accessor methods

In a subsquent patch I have a const struct page in my hand... [[email protected]: coding-style fixes] Signed-off-by: Ian Campbell <[email protected]> Cc: Andrea Arcangeli <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Martin Schwidefsky <[email protected]> Cc: Michel Lespinasse <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
vjousse · Jul 26, 2011 · 67db392 · 67db392
1 parent 33dd4e0
commit 67db392
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
@@ -135,7 +135,7 @@ enum pageflags {
  * 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 @@ static inline int __TestClearPage##uname(struct page *page)		\
 	__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)					\