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#ifndef __XEN_PFN_H__
#define __XEN_PFN_H__
#include <asm/page.h>
#define PFN_DOWN(x) ((x) >> PAGE_SHIFT)
#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT)
#endif /* __XEN_PFN_H__ */
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