diff options
Diffstat (limited to 'include/linux/mmzone.h')
| -rw-r--r-- | include/linux/mmzone.h | 19 |
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) |