unlikely indeed makes this code more elegant, however, it's difficult to tell how much the performance will be improved.

David Rientjes <rientjes@google.com> wrote:

>On Sun, 28 Jul 2013, SeungHun Lee wrote:
>
>> "order >= MAX_ORDER" case is occur rarely.
>> 
>> So I add unlikely for this check.
>
>This needs your signed-off-by line.
>
>When that's done:
>
>Acked-by: David Rientjes <rientjes@google.com>
>
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