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| author | Jeff Garzik <jeff@garzik.org> | 2006-10-01 07:55:03 +0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-10-01 07:55:03 +0400 |
| commit | e993835441734c184d70d3716eed78a08eeb71c2 (patch) | |
| tree | 583aa17813cdae1c4640e353f8c6df3f197e7548 /include/linux/getcpu.h | |
| parent | 360f654e7cda850034f3f6252a7a7cff3fa77356 (diff) | |
| parent | 1bdfd554be94def718323659173517c5d4a69d25 (diff) | |
| download | linux-e993835441734c184d70d3716eed78a08eeb71c2.tar.xz | |
Merge branch 'master' into upstream
Diffstat (limited to 'include/linux/getcpu.h')
| -rw-r--r-- | include/linux/getcpu.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/include/linux/getcpu.h b/include/linux/getcpu.h index 031ed3780e45..c7372d7a97be 100644 --- a/include/linux/getcpu.h +++ b/include/linux/getcpu.h @@ -1,16 +1,18 @@ #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 Results might be a short time out of date, but will be faster.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 |
