Platform classes need not define PFN_TO_NID when DISCONTIGMEM is
not selected.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
 #define NODE_MAX_MEM_SHIFT     26
 #define NODE_MAX_MEM_SIZE      (1 << NODE_MAX_MEM_SHIFT)
 
-#else
-
-#define PFN_TO_NID(addr)       (0)
-
 #endif /* CONFIG_DISCONTIGMEM */
 
 #endif /* __ASM_ARCH_MEMORY_H */
 
 
 #endif
 
-#define PFN_TO_NID(addr)       (0)
-
 #endif
 
        (((unsigned long)(addr) & 0x01ffffff) >> PAGE_SHIFT)
 # endif
 
-#else
-
-# define PFN_TO_NID(addr)      (0)
-
 #endif
 
 #endif
 
 
 #endif /* CONFIG_ARCH_OMAP1510 */
 
-#define PHYS_TO_NID(addr) (0)
 #endif
 
 
 #define LOCAL_MAP_NR(addr) \
        (((unsigned long)(addr) & 0x03ffffff) >> PAGE_SHIFT)
 
-#else
-
-#define PFN_TO_NID(addr)       (0)
-
 #endif
 
 #endif
 
 #define LOCAL_MAP_NR(addr) \
        (((unsigned long)(addr) & 0x07ffffff) >> PAGE_SHIFT)
 
-#else
-
-#define PFN_TO_NID(addr)       (0)
-
 #endif
 
 #endif