#ifdef __KERNEL__
#include <linux/compiler.h>
+#include <linux/mmzone.h>
#include <asm/setup.h>
#include <asm/page.h>
-#ifdef CONFIG_AMIGA
-#include <asm/amigahw.h>
-#endif
-
/*
* Change virtual addresses to physical addresses and vv.
*/
-#ifndef CONFIG_SUN3
-extern unsigned long mm_vtop(unsigned long addr) __attribute_const__;
-extern unsigned long mm_ptov(unsigned long addr) __attribute_const__;
-#else
-static inline unsigned long mm_vtop(unsigned long vaddr)
-{
- return __pa(vaddr);
-}
-
-static inline unsigned long mm_ptov(unsigned long paddr)
-{
- return (unsigned long)__va(paddr);
-}
-#endif
-
-#ifdef CONFIG_SINGLE_MEMORY_CHUNK
-static inline unsigned long virt_to_phys(void *vaddr)
-{
- return (unsigned long)vaddr - PAGE_OFFSET + m68k_memory[0].addr;
-}
-
-static inline void * phys_to_virt(unsigned long paddr)
-{
- return (void *)(paddr - m68k_memory[0].addr + PAGE_OFFSET);
-}
-#else
static inline unsigned long virt_to_phys(void *address)
{
- return mm_vtop((unsigned long)address);
+ return __pa(address);
}
static inline void *phys_to_virt(unsigned long address)
{
- return (void *) mm_ptov(address);
+ return __va(address);
}
-#endif
/* Permanent address of a page. */
-#define __page_address(page) (PAGE_OFFSET + (((page) - mem_map) << PAGE_SHIFT))
-#define page_to_phys(page) virt_to_phys((void *)__page_address(page))
+#ifdef CONFIG_SINGLE_MEMORY_CHUNK
+#define page_to_phys(page) \
+ __pa(PAGE_OFFSET + (((page) - pg_data_map[0].node_mem_map) << PAGE_SHIFT))
+#else
+#define page_to_phys(_page) ({ \
+ struct page *__page = _page; \
+ struct pglist_data *pgdat; \
+ pgdat = pg_data_table[page_to_nid(__page)]; \
+ page_to_pfn(__page) << PAGE_SHIFT; \
+})
+#endif
/*
* IO bus memory addresses are 1:1 with the physical address,
- * except on the PCI bus of the Hades.
*/
-#ifdef CONFIG_HADES
-#define virt_to_bus(a) (virt_to_phys(a) + (MACH_IS_HADES ? 0x80000000 : 0))
-#define bus_to_virt(a) (phys_to_virt((a) - (MACH_IS_HADES ? 0x80000000 : 0)))
-#else
#define virt_to_bus virt_to_phys
#define bus_to_virt phys_to_virt
-#endif
#endif
#endif