linux/arch/um/include/shared/mem.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2/* 
   3 * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
   4 */
   5
   6#ifndef __MEM_H__
   7#define __MEM_H__
   8
   9extern int phys_mapping(unsigned long phys, unsigned long long *offset_out);
  10
  11extern unsigned long uml_physmem;
  12static inline unsigned long to_phys(void *virt)
  13{
  14        return(((unsigned long) virt) - uml_physmem);
  15}
  16
  17static inline void *to_virt(unsigned long phys)
  18{
  19        return((void *) uml_physmem + phys);
  20}
  21
  22#endif
  23