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authorJeff Garzik <jeff@garzik.org>2006-10-01 07:55:03 +0400
committerJeff Garzik <jeff@garzik.org>2006-10-01 07:55:03 +0400
commite993835441734c184d70d3716eed78a08eeb71c2 (patch)
tree583aa17813cdae1c4640e353f8c6df3f197e7548 /include/linux/getcpu.h
parent360f654e7cda850034f3f6252a7a7cff3fa77356 (diff)
parent1bdfd554be94def718323659173517c5d4a69d25 (diff)
downloadlinux-e993835441734c184d70d3716eed78a08eeb71c2.tar.xz
Merge branch 'master' into upstream
Diffstat (limited to 'include/linux/getcpu.h')
-rw-r--r--include/linux/getcpu.h12
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out of date, but will be faster.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