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ring-buffer: Update the description for ring_buffer_wait
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>
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@ -793,7 +793,7 @@ static void rb_wake_up_waiters(struct irq_work *work)
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* ring_buffer_wait - wait for input to the ring buffer
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* @buffer: buffer to wait on
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* @cpu: the cpu buffer to wait on
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* @full: wait until a full page is available, if @cpu != RING_BUFFER_ALL_CPUS
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* @full: wait until the percentage of pages are available, if @cpu != RING_BUFFER_ALL_CPUS
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*
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* If @cpu == RING_BUFFER_ALL_CPUS then the task will wake up as soon
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* as data is added to any of the @buffer's cpu buffers. Otherwise
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