|  | #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|  | out of date, but will be faster.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 |