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ring-buffer: Update the description for ring_buffer_wait

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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>
This commit is contained in:
Qiujun Huang 2020-10-17 17:52:46 +08:00 • committed by Steven Rostedt (VMware)
parent 0a1754b2a9
commit e1981f75d3
1 changed files with 1 additions and 1 deletions
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2
kernel/trace/ring_buffer.c
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@ -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