1a2e3fe5fSKarolina Drobnik /* SPDX-License-Identifier: GPL-2.0 */ 2a2e3fe5fSKarolina Drobnik #ifndef _TOOLS_LINUX_PFN_H_ 3a2e3fe5fSKarolina Drobnik #define _TOOLS_LINUX_PFN_H_ 4a2e3fe5fSKarolina Drobnik 5a2e3fe5fSKarolina Drobnik #include <linux/mm.h> 6a2e3fe5fSKarolina Drobnik 7a2e3fe5fSKarolina Drobnik #define PFN_UP(x) (((x) + PAGE_SIZE - 1) >> PAGE_SHIFT) 8a2e3fe5fSKarolina Drobnik #define PFN_DOWN(x) ((x) >> PAGE_SHIFT) 9a2e3fe5fSKarolina Drobnik #define PFN_PHYS(x) ((phys_addr_t)(x) << PAGE_SHIFT) 10*d0f8a897SWei Yang #define PHYS_PFN(x) ((unsigned long)((x) >> PAGE_SHIFT)) 11a2e3fe5fSKarolina Drobnik #endif 12