diff options
Diffstat (limited to 'include/linux/pagemap.h')
| -rw-r--r-- | include/linux/pagemap.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 3e1e89b44..218098416 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -14,7 +14,7 @@ static inline unsigned long page_address(struct page * page) { - return PAGE_OFFSET + PAGE_SIZE * (page - mem_map); + return PAGE_OFFSET + ((page - mem_map) << PAGE_SHIFT); } /* @@ -28,6 +28,7 @@ static inline unsigned long page_address(struct page * page) #define PAGE_CACHE_SHIFT PAGE_SHIFT #define PAGE_CACHE_SIZE PAGE_SIZE #define PAGE_CACHE_MASK PAGE_MASK +#define PAGE_CACHE_ALIGN(addr) (((addr)+PAGE_CACHE_SIZE-1)&PAGE_CACHE_MASK) #define page_cache_alloc() __get_free_page(GFP_USER) #define page_cache_free(x) free_page(x) |