| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef _TOOLS_LINUX_PFN_H_ | |
| #define _TOOLS_LINUX_PFN_H_ | |
| #include <linux/mm.h> | |
| #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) | |
| #define PHYS_PFN(x) ((unsigned long)((x) >> PAGE_SHIFT)) | |
| #endif |