docs: Add colon clearing sphinx warning
Sphinx emits various warnings all caused by a missing colon before code block: WARNING: Block quote ends without a blank line; unexpected unindent. ERROR: Unexpected indentation. WARNING: Block quote ends without a blank line; unexpected unindent. Add the colon, clearing sphinx warnings. Signed-off-by: Tobin C. Harding <tobin@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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@ -101,7 +101,7 @@ init_waitqueue_func_entry(struct wait_queue_entry *wq_entry, wait_queue_func_t f
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* lead to sporadic and non-obvious failure.
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*
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* Use either while holding wait_queue_head::lock or when used for wakeups
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* with an extra smp_mb() like:
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* with an extra smp_mb() like::
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*
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* CPU0 - waker CPU1 - waiter
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*
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