#ifndef _LINUX_RANGE_H
  #define _LINUX_RANGE_H
  
  struct range {
  	u64   start;
  	u64   end;
  };
  
  int add_range(struct range *range, int az, int nr_range,
  		u64 start, u64 end);
  
  
  int add_range_with_merge(struct range *range, int az, int nr_range,
  				u64 start, u64 end);
  
  void subtract_range(struct range *range, int az, u64 start, u64 end);
  
  int clean_sort_range(struct range *range, int az);
  
  void sort_range(struct range *range, int nr_range);

  #define MAX_RESOURCE ((resource_size_t)~0)
  static inline resource_size_t cap_resource(u64 val)
  {
  	if (val > MAX_RESOURCE)
  		return MAX_RESOURCE;
  
  	return val;
  }

  #endif