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Commit | Line | Data |
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1 | #ifndef _LINUX_PFN_H_ | |
2 | #define _LINUX_PFN_H_ | |
3 | ||
4 | #ifndef __ASSEMBLY__ | |
5 | #include <linux/types.h> | |
6 | #endif | |
7 | ||
8 | #define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK) | |
9 | #define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) | |
10 | #define PFN_DOWN(x) ((x) >> PAGE_SHIFT) | |
11 | #define PFN_PHYS(x) ((phys_addr_t)(x) << PAGE_SHIFT) | |
12 | ||
13 | #endif |