#define __MEMORY_START CONFIG_MEMORY_START
#define __MEMORY_SIZE CONFIG_MEMORY_SIZE
-#ifdef CONFIG_DISCONTIGMEM
-/* Just for HP690, for now.. */
-#define __MEMORY_START_2ND (__MEMORY_START+0x02000000)
-#define __MEMORY_SIZE_2ND 0x001000000 /* 16MB */
-#endif
#define PAGE_OFFSET (0x80000000UL)
#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET)
#define MAP_NR(addr) (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)
-#ifndef CONFIG_DISCONTIGMEM
#define phys_to_page(phys) (mem_map + (((phys)-__MEMORY_START) >> PAGE_SHIFT))
#define page_to_phys(page) (((page - mem_map) << PAGE_SHIFT) + __MEMORY_START)
-#endif
/* PFN start number, because of __MEMORY_START */
#define PFN_START (__MEMORY_START >> PAGE_SHIFT)
-
-#define pfn_to_page(pfn) (mem_map + (pfn) - PFN_START)
-#define page_to_pfn(page) ((unsigned long)((page) - mem_map) + PFN_START)
+#define ARCH_PFN_OFFSET (FPN_START)
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
#define pfn_valid(pfn) (((pfn) - PFN_START) < max_mapnr)
#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
#endif /* __KERNEL__ */
+#include <asm-generic/memory_model.h>
#include <asm-generic/page.h>
#endif /* __ASM_SH_PAGE_H */