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-rw-r--r--include/linux/perf_event.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index c095e713cf08..ce14fb2772b5 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -607,7 +607,6 @@ struct swevent_hlist {
#define PERF_ATTACH_TASK_DATA 0x08
#define PERF_ATTACH_ITRACE 0x10
#define PERF_ATTACH_SCHED_CB 0x20
-#define PERF_ATTACH_CHILD 0x40
struct perf_cgroup;
struct perf_buffer;