pfn.h File Reference

#include <linux/types.h>

Go to the source code of this file.

Macros
#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)   ((phys_addr_t)(x) << PAGE_SHIFT)

Macro Definition Documentation

#define PFN_ALIGN

(

x

)

(((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK)

Definition at line 8 of file pfn.h.

#define PFN_DOWN

(

x

)

((x) >> PAGE_SHIFT)

Definition at line 10 of file pfn.h.

#define PFN_PHYS

(

x

)

((phys_addr_t)(x) << PAGE_SHIFT)

Definition at line 11 of file pfn.h.

#define PFN_UP

(

x

)

(((x) + PAGE_SIZE-1) >> PAGE_SHIFT)

Definition at line 9 of file pfn.h.