1 files changed, 0 insertions, 19 deletions

diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 0aece6d8937e..c7a51dac441d 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -820,25 +820,6 @@ static inline struct zoneref *first_zones_zonelist(struct zonelist *zonelist,
 #include <asm/sparsemem.h>
 #endif
 
-#if BITS_PER_LONG == 32
-/*
- * with 32 bit page->flags field, we reserve 9 bits for node/zone info.
- * there are 4 zones (3 bits) and this leaves 9-3=6 bits for nodes.
- */
-#define FLAGS_RESERVED          9
-
-#elif BITS_PER_LONG == 64
-/*
- * with 64 bit flags field, there's plenty of room.
- */
-#define FLAGS_RESERVED          32
-
-#else
-
-#error BITS_PER_LONG not defined
-
-#endif
-
 #if !defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID) && \
         !defined(CONFIG_ARCH_POPULATES_NODE_MAP)
 static inline unsigned long early_pfn_to_nid(unsigned long pfn)