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-rw-r--r--include/linux/ftrace.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 7d565afe35d2..1e2b316d6693 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -794,7 +794,9 @@ struct ftrace_ret_stack {
unsigned long ret;
unsigned long func;
unsigned long long calltime;
+#ifdef CONFIG_FUNCTION_PROFILER
unsigned long long subtime;
+#endif
unsigned long fp;
};