xen/include/xen/pfn.h


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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__ */