Linux Kernel  3.7.1
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getcpu.h
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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5  out of date, but will be faster.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