#ifndef _LINUX_GETCPU_H
#define _LINUX_GETCPU_H 1
-/* Cache for getcpu() to speed it up. Results might be upto a jiffie
+/* 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out of date, but will be faster.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.
- It is only a cache for vgetcpu(). It might change in future kernels.
+ 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 t0;
- unsigned long t1;
- unsigned long res[4];
+ unsigned long blob[128 / sizeof(long)];
};
#endif