1 files changed, 11 insertions, 0 deletions

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index df627a948694..e03f157c772e 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -403,6 +403,17 @@ int tracing_open_generic(struct inode *inode, struct file *filp);
 struct dentry *tracing_init_dentry(void);
 void init_tracer_sysprof_debugfs(struct dentry *d_tracer);
 
+struct ring_buffer_event;
+
+struct ring_buffer_event *trace_buffer_lock_reserve(struct trace_array *tr,
+                                                    unsigned char type,
+                                                    unsigned long len,
+                                                    unsigned long flags,
+                                                    int pc);
+void trace_buffer_unlock_commit(struct trace_array *tr,
+                                struct ring_buffer_event *event,
+                                unsigned long flags, int pc);
+
 struct trace_entry *tracing_get_trace_entry(struct trace_array *tr,
                                                 struct trace_array_cpu *data);