linux-kernel - [PATCH] ring_buffer: fix comments

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Message-ID: <493C8D40.9000203@cn.fujitsu.com>
Date:	Mon, 08 Dec 2008 10:58:08 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Steven Rostedt <rostedt@...dmis.org>, Ingo Molnar <mingo@...e.hu>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH] ring_buffer: fix comments


Impact: comments cleanup

fix incorrect comments for enum ring_buffer_type

Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
---
diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index e097c2e..4981a9a 100644
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -28,17 +28,19 @@ struct ring_buffer_event {
  *				 size = 8 bytes
  *
  * @RINGBUF_TYPE_TIME_STAMP:	Sync time stamp with external clock
- *				 array[0] = tv_nsec
- *				 array[1] = tv_sec
+ *				 array[0]    = tv_nsec
+ *				 array[1..2] = tv_sec
  *				 size = 16 bytes
  *
  * @RINGBUF_TYPE_DATA:		Data record
  *				 If len is zero:
  *				  array[0] holds the actual length
- *				  array[1..(length+3)/4-1] holds data
+ *				  array[1..(length+3)/4] holds data
+ *				  size = 4 + 4 + length (bytes)
  *				 else
  *				  length = len << 2
- *				  array[0..(length+3)/4] holds data
+ *				  array[0..(length+3)/4-1] holds data
+ *				  size = 4 + length (bytes)
  */
 enum ring_buffer_type {
 	RINGBUF_TYPE_PADDING,


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