1 files changed, 5 insertions, 1 deletions

diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index 7f5d353d78ac..5bd8817b12d4 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -201,9 +201,13 @@ struct perf_counter_mmap_page {
         __u32   data_head;              /* head in the data section */
 };
 
+#define PERF_EVENT_MISC_KERNEL  (1 << 0)
+#define PERF_EVENT_MISC_USER    (1 << 1)
+
 struct perf_event_header {
         __u32   type;
-        __u32   size;
+        __u16   misc;
+        __u16   size;
 };
 
 enum perf_event_type {