Suggested fix for JDK-4724038 (Add unmap method to MappedByteBuffer)

Andrew Haley aph at
Tue Sep 8 13:29:25 UTC 2015

On 09/08/2015 02:05 PM, Andrew Haley wrote:
> I don't think you'd actually need to unmap anything until a safepoint.
> I don't think that the speed of unmapping is critical as long as it
> happens "soon".

Although given the desire to do


that belief may be misplaced.  We could just block for a safepoint;
we already do that in other cases, and there's no guarantee about how
long unmap() would take to execute.


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