xref: /openbmc/linux/tools/include/linux/pfn.h (revision e4624435)
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