diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index c3f354cfc5ba1db24275ecdfe3b31c6cca9df22d..199759c735196a03086d1a6b3a31d1c5d358f7a6 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -885,7 +885,7 @@ size_t ring_buffer_nr_pages(struct trace_buffer *buffer, int cpu)
 }
 
 /**
- * ring_buffer_nr_pages_dirty - get the number of used pages in the ring buffer
+ * ring_buffer_nr_dirty_pages - get the number of used pages in the ring buffer
  * @buffer: The ring_buffer to get the number of pages from
  * @cpu: The cpu of the ring_buffer to get the number of pages from
  *
@@ -5305,7 +5305,7 @@ void ring_buffer_reset_cpu(struct trace_buffer *buffer, int cpu)
 EXPORT_SYMBOL_GPL(ring_buffer_reset_cpu);
 
 /**
- * ring_buffer_reset_cpu - reset a ring buffer per CPU buffer
+ * ring_buffer_reset_online_cpus - reset a ring buffer per CPU buffer
  * @buffer: The ring buffer to reset a per cpu buffer of
  * @cpu: The CPU buffer to be reset
  */
@@ -5375,7 +5375,7 @@ void ring_buffer_reset(struct trace_buffer *buffer)
 EXPORT_SYMBOL_GPL(ring_buffer_reset);
 
 /**
- * rind_buffer_empty - is the ring buffer empty?
+ * ring_buffer_empty - is the ring buffer empty?
  * @buffer: The ring buffer to test
  */
 bool ring_buffer_empty(struct trace_buffer *buffer)