22a9835c DH |
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 |