diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mm.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 4d183974fd36..d75f64725853 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -339,9 +339,14 @@ static inline void set_page_zone(struct page *page, unsigned long zone_num) page->flags |= zone_num << ZONE_SHIFT; } -static inline void * lowmem_page_address(struct page *page) +#ifndef CONFIG_DISCONTIGMEM +/* The array of struct pages - for discontigmem use pgdat->lmem_map */ +extern struct page *mem_map; +#endif + +static inline void *lowmem_page_address(struct page *page) { - return __va( ( (page - page_zone(page)->zone_mem_map) + page_zone(page)->zone_start_pfn) << PAGE_SHIFT); + return __va(page_to_pfn(page) << PAGE_SHIFT); } #if defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL) @@ -395,11 +400,6 @@ static inline int page_mapped(struct page *page) #define VM_FAULT_MINOR 1 #define VM_FAULT_MAJOR 2 -#ifndef CONFIG_DISCONTIGMEM -/* The array of struct pages - for discontigmem use pgdat->lmem_map */ -extern struct page *mem_map; -#endif - extern void show_free_areas(void); struct page *shmem_nopage(struct vm_area_struct * vma, |