diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/getcpu.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/getcpu.h b/include/linux/getcpu.h new file mode 100644 index 000000000000..031ed3780e45 --- /dev/null +++ b/include/linux/getcpu.h | |||
@@ -0,0 +1,16 @@ | |||
1 | #ifndef _LINUX_GETCPU_H | ||
2 | #define _LINUX_GETCPU_H 1 | ||
3 | |||
4 | /* Cache for getcpu() to speed it up. Results might be upto a jiffie | ||
5 | out of date, but will be faster. | ||
6 | User programs should not refer to the contents of this structure. | ||
7 | It is only a cache for vgetcpu(). It might change in future kernels. | ||
8 | The user program must store this information per thread (__thread) | ||
9 | If you want 100% accurate information pass NULL instead. */ | ||
10 | struct getcpu_cache { | ||
11 | unsigned long t0; | ||
12 | unsigned long t1; | ||
13 | unsigned long res[4]; | ||
14 | }; | ||
15 | |||
16 | #endif | ||