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kernel/linux-rt-4.4.41/arch/um/include/shared/mem.h 455 Bytes
5113f6f70   김현기   kernel add
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  /* 
   * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
   * Licensed under the GPL
   */
  
  #ifndef __MEM_H__
  #define __MEM_H__
  
  extern int phys_mapping(unsigned long phys, unsigned long long *offset_out);
  
  extern unsigned long uml_physmem;
  static inline unsigned long to_phys(void *virt)
  {
  	return(((unsigned long) virt) - uml_physmem);
  }
  
  static inline void *to_virt(unsigned long phys)
  {
  	return((void *) uml_physmem + phys);
  }
  
  #endif