Dave Hansen | 22a9835 | 2006-03-27 01:16:04 -0800 | [diff] [blame] | 1 | #ifndef _LINUX_PFN_H_ |
2 | #define _LINUX_PFN_H_ | ||||
3 | |||||
4 | #define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK) | ||||
5 | #define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) | ||||
6 | #define PFN_DOWN(x) ((x) >> PAGE_SHIFT) | ||||
7 | #define PFN_PHYS(x) ((x) << PAGE_SHIFT) | ||||
8 | |||||
9 | #endif |