/include/linux/pfn.h

https://bitbucket.org/thekraven/iscream_thunderc-2.6.35 · C++ Header · 13 lines · 10 code · 3 blank · 0 comment · 0 complexity · f8674b509287bb4543b5018e3c296b43 MD5 · raw file 

    

  1. #ifndef _LINUX_PFN_H_
    2. 

  2. #define _LINUX_PFN_H_
    3. 

  3. 

  4. #ifndef __ASSEMBLY__
    5. 

  5. #include <linux/types.h>
    6. 

  6. #endif
    7. 

  7. 

  8. #define PFN_ALIGN(x)	(((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK)
    9. 

  9. #define PFN_UP(x)	(((x) + PAGE_SIZE-1) >> PAGE_SHIFT)
    10. 

  10. #define PFN_DOWN(x)	((x) >> PAGE_SHIFT)
    11. 

  11. #define PFN_PHYS(x)	((phys_addr_t)(x) << PAGE_SHIFT)
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  12. 

  13. #endif
    14.