#ifndef _LINUX_STRING_HELPERS_H_
  #define _LINUX_STRING_HELPERS_H_
  
  #include <linux/types.h>
  
  /* Descriptions of the types of units to
   * print in */
  enum string_size_units {
  	STRING_UNITS_10,	/* use powers of 10^3 (standard SI) */
  	STRING_UNITS_2,		/* use binary powers of 2^10 */
  };
  
  int string_get_size(u64 size, enum string_size_units units,
  		    char *buf, int len);
  
  #endif