1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _TOOLS_LINUX_PFN_H_ 3 #define _TOOLS_LINUX_PFN_H_ 4 5 #include <linux/mm.h> 6 7 #define PFN_UP(x) (((x) + PAGE_SIZE - 1) >> PAGE_SHIFT) 8 #define PFN_DOWN(x) ((x) >> PAGE_SHIFT) 9 #define PFN_PHYS(x) ((phys_addr_t)(x) << PAGE_SHIFT) 10 #endif 11
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.