#ifndef CONFIG_DISCONTIGMEM
# ifdef CONFIG_VIRTUAL_MEM_MAP
extern struct page *vmem_map;
-# define pfn_valid(pfn) (((pfn) < max_mapnr) && ia64_pfn_valid(pfn))
-# define page_to_pfn(page) ((unsigned long) (page - vmem_map))
-# define pfn_to_page(pfn) (vmem_map + (pfn))
+# define pfn_valid(pfn) (((pfn) < max_mapnr) && ia64_pfn_valid(pfn))
+# define page_to_pfn(page) ((unsigned long) (page - vmem_map))
+# define pfn_to_page(pfn) (vmem_map + (pfn))
+# else
+# define pfn_valid(pfn) (((pfn) < max_mapnr) && ia64_pfn_valid(pfn))
+# define page_to_pfn(page) ((unsigned long) (page - mem_map))
+# define pfn_to_page(pfn) (mem_map + (pfn))
# endif
-#define pfn_valid(pfn) (((pfn) < max_mapnr) && ia64_pfn_valid(pfn))
-#define page_to_pfn(page) ((unsigned long) (page - mem_map))
-#define pfn_to_page(pfn) (mem_map + (pfn))
#endif /* CONFIG_DISCONTIGMEM */
#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)