diff options
Diffstat (limited to 'include/asm-m68k/virtconvert.h')
| -rw-r--r-- | include/asm-m68k/virtconvert.h | 49 |
1 files changed, 14 insertions, 35 deletions
diff --git a/include/asm-m68k/virtconvert.h b/include/asm-m68k/virtconvert.h index 83a87c9b1a16..dea32fbc7e51 100644 --- a/include/asm-m68k/virtconvert.h +++ b/include/asm-m68k/virtconvert.h @@ -8,56 +8,35 @@ #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, |
