From: Lai Jiangshan <laijs@cn.fujitsu.com>
To: Steven Rostedt <rostedt@goodmis.org>, Ingo Molnar <mingo@elte.hu>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: [PATCH] ring_buffer: fix comments
Date: Mon, 08 Dec 2008 10:58:08 +0800 [thread overview]
Message-ID: <493C8D40.9000203@cn.fujitsu.com> (raw)
Impact: comments cleanup
fix incorrect comments for enum ring_buffer_type
Signed-off-by: Lai Jiangshan <laijs@cn.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,
next reply other threads:[~2008-12-08 3:01 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-08 2:58 Lai Jiangshan [this message]
2008-12-08 12:54 ` [PATCH] ring_buffer: fix comments Ingo Molnar
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