diff options
Diffstat (limited to 'kernel/include/linux/getcpu.h')
-rw-r--r-- | kernel/include/linux/getcpu.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/kernel/include/linux/getcpu.h b/kernel/include/linux/getcpu.h new file mode 100644 index 000000000..c7372d7a9 --- /dev/null +++ b/kernel/include/linux/getcpu.h @@ -0,0 +1,18 @@ +#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 Results might be a short time + out of date, but will be faster.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 |