#ifndef _LINUX_GETCPU_H
  #define _LINUX_GETCPU_H 1
  
  /* Cache for getcpu() to speed it up. Results might be a short time
     out of date, but will be faster.
  
     User programs should not refer to the contents of this structure.
     I repeat they should not refer to it. If they do they will break
     in future kernels.
  
     It is only a private cache for vgetcpu(). It will change in future kernels.
     The user program must store this information per thread (__thread)
     If you want 100% accurate information pass NULL instead. */
  struct getcpu_cache {
  	unsigned long blob[128 / sizeof(long)];
  };
  
  #endif