RFR: Single marking bitmap and bitmap cleaning refactoring

[Aleksey Shipilev]

On 09/13/2018 11:58 PM, Roman Kennke wrote:
> With this patch, I believe we can remove the code changes to
> markBitMap.* and bitMap.* and the related testing code that deals with
> copying bitmap pieces around?

Yes, I believe so. I have the patch that cleans this up.

-Aleksey