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ring-buffer: Update the description for ring_buffer_wait
author
Qiujun Huang
<hqjagain@gmail.com>
Sat, 17 Oct 2020 09:52:46 +0000
(17:52 +0800)
committer
Steven Rostedt (VMware)
<rostedt@goodmis.org>
Thu, 22 Oct 2020 15:26:26 +0000
(11:26 -0400)
The function changed at some point, but the description was not
updated.
Link:
https://lkml.kernel.org/r/20201017095246.5170-1-hqjagain@gmail.com
Signed-off-by: Qiujun Huang <hqjagain@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
kernel/trace/ring_buffer.c
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diff --git
a/kernel/trace/ring_buffer.c
b/kernel/trace/ring_buffer.c
index
5c6a9c6
..
7f45fd9
100644
(file)
--- a/
kernel/trace/ring_buffer.c
+++ b/
kernel/trace/ring_buffer.c
@@
-793,7
+793,7
@@
static void rb_wake_up_waiters(struct irq_work *work)
* ring_buffer_wait - wait for input to the ring buffer
* @buffer: buffer to wait on
* @cpu: the cpu buffer to wait on
- * @full: wait until
a full page is
available, if @cpu != RING_BUFFER_ALL_CPUS
+ * @full: wait until
the percentage of pages are
available, if @cpu != RING_BUFFER_ALL_CPUS
*
* If @cpu == RING_BUFFER_ALL_CPUS then the task will wake up as soon
* as data is added to any of the @buffer's cpu buffers. Otherwise