X-Git-Url: http://git.monstr.eu/?p=linux-2.6-microblaze.git;a=blobdiff_plain;f=include%2Flinux%2Fpage-flags.h;h=6b8d669651459d6aa8d6baf6d761e106408a4180;hp=5922031ffab6e533e34ab81a72b1920a6849bee2;hb=41c961b9013ee9b6d0491f6926df546e37964b1f;hpb=ea0eafead4b66543b8218ebfbe14173315feb7d1

diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 5922031ffab6..6b8d66965145 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -178,6 +178,8 @@ enum pageflags {
 	PG_reported = PG_uptodate,
 };
 
+#define PAGEFLAGS_MASK		((1UL << NR_PAGEFLAGS) - 1)
+
 #ifndef __GENERATING_BOUNDS_H
 
 static inline unsigned long _compound_head(const struct page *page)
@@ -859,7 +861,7 @@ static inline void ClearPageSlabPfmemalloc(struct page *page)
  * alloc-free cycle to prevent from reusing the page.
  */
 #define PAGE_FLAGS_CHECK_AT_PREP	\
-	(((1UL << NR_PAGEFLAGS) - 1) & ~__PG_HWPOISON)
+	(PAGEFLAGS_MASK & ~__PG_HWPOISON)
 
 #define PAGE_FLAGS_PRIVATE				\
 	(1UL << PG_private | 1UL << PG_private_2)