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-rw-r--r--include/linux/perf_counter.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index e7213e4..489d5cb 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -233,6 +233,12 @@ struct perf_counter_mmap_page {
__u32 index; /* hardware counter identifier */
__s64 offset; /* add to hardware counter value */
+ /*
+ * Hole for extension of the self monitor capabilities
+ */
+
+ __u64 __reserved[125]; /* align to 1k */
+
/*
* Control data for the mmap() data buffer.
*
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