[linux.git] / include / linux / pfn.h

#ifndef _LINUX_PFN_H_
#define _LINUX_PFN_H_

#define PFN_ALIGN(x)	(((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK)
#define PFN_UP(x)	(((x) + PAGE_SIZE-1) >> PAGE_SHIFT)
#define PFN_DOWN(x)	((x) >> PAGE_SHIFT)
#define PFN_PHYS(x)	((x) << PAGE_SHIFT)

#endif
Commit	Line	Data
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