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authorJeff Garzik <jeff@garzik.org>2006-09-28 02:13:53 +0400
committerJeff Garzik <jeff@garzik.org>2006-09-28 02:13:53 +0400
commitaebb1153ac54ddbbd3d3f0481a193f4bf0ead53b (patch)
tree57425aa83c8bed5b41af7e3408024fe1f2fdded9 /include/linux/getcpu.h
parent022e7a12b6aa11a11de4d708fe8606c9a6734b37 (diff)
parenta77c64c1a641950626181b4857abb701d8f38ccc (diff)
downloadlinux-aebb1153ac54ddbbd3d3f0481a193f4bf0ead53b.tar.xz
Merge branch 'master' into upstream
Diffstat (limited to 'include/linux/getcpu.h')
-rw-r--r--include/linux/getcpu.h16
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 @@
+#ifndef _LINUX_GETCPU_H
+#define _LINUX_GETCPU_H 1
+
+/* Cache for getcpu() to speed it up. Results might be upto a jiffie
+ out of date, but will be faster.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.
+ 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];
+};
+
+#endif