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5    out of date, but will be faster.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
19