On Thu, May 25, 2017 at 11:04:44AM +0800, zhong jiang wrote: >I hit the overlap issue, but it is hard to reproduced. if you think it is safe. and the situation >is not happen. AFAIC, it is no need to add the code. > >if you insist on the point. Maybe VM_WARN_ON is a choice. > Do you have some log to show the overlap happens?
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