include/linux/getcpu.h

   1 #ifndef _LINUX_GETCPU_H
   2 #define _LINUX_GETCPU_H 1
   3
   4 /* Cache for getcpu() to speed it up. Results might be a short time
   5    out of date, but will be faster.
   6
   7    User programs should not refer to the contents of this structure.
   8    I repeat they should not refer to it. If they do they will break
   9    in future kernels.
  10
  11    It is only a private cache for vgetcpu(). It will change in future kernels.
  12    The user program must store this information per thread (__thread)
  13    If you want 100% accurate information pass NULL instead. */
  14 struct getcpu_cache {
  15         unsigned long blob[128 / sizeof(long)];
  16 };
  17
  18 #endif