/*
   * Suspend support specific for power.
   *
   * Distribute under GPLv2
   *
   * Copyright (c) 2002 Pavel Machek <pavel@ucw.cz>
   * Copyright (c) 2001 Patrick Mochel <mochel@osdl.org>
   */
  
  #include <linux/mm.h>
  #include <asm/page.h>
  
  /* References to section boundaries */
  extern const void __nosave_begin, __nosave_end;
  
  /*
   *	pfn_is_nosave - check if given pfn is in the 'nosave' section
   */
  
  int pfn_is_nosave(unsigned long pfn)
  {
  	unsigned long nosave_begin_pfn = __pa(&__nosave_begin) >> PAGE_SHIFT;
  	unsigned long nosave_end_pfn = PAGE_ALIGN(__pa(&__nosave_end)) >> PAGE_SHIFT;
  	return (pfn >= nosave_begin_pfn) && (pfn < nosave_end_pfn);
  }