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-rw-r--r--include/linux/sched.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 7a69c4d224ee..4ce5c603c51a 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1350,6 +1350,17 @@ struct task_struct {
unsigned long default_timer_slack_ns;
struct list_head *scm_work_list;
+#ifdef CONFIG_FUNCTION_RET_TRACER
+ /* Index of current stored adress in ret_stack */
+ int curr_ret_stack;
+ /* Stack of return addresses for return function tracing */
+ struct ftrace_ret_stack *ret_stack;
+ /*
+ * Number of functions that haven't been traced
+ * because of depth overrun.
+ */
+ atomic_t trace_overrun;
+#endif
};
/*