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0001 /* SPDX-License-Identifier: GPL-2.0 */ 0002 #ifndef _TOOLS_LINUX_PFN_H_ 0003 #define _TOOLS_LINUX_PFN_H_ 0004 0005 #include <linux/mm.h> 0006 0007 #define PFN_UP(x) (((x) + PAGE_SIZE - 1) >> PAGE_SHIFT) 0008 #define PFN_DOWN(x) ((x) >> PAGE_SHIFT) 0009 #define PFN_PHYS(x) ((phys_addr_t)(x) << PAGE_SHIFT) 0010 #endif
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