Implement LazyPageManager #36
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Closes #35
This is a very naïve implementation. It stores a map of
page_address -> LazyPagein thePageManager. Initially none of the pages arecommitted, so once execution starts it raises a memory exception. Once this happens the page is committed and emulation resumed.There is no optimization done on the data structure yet, so a 10GB RW page would create ~10 million dictionary entries. The speedup is still very significant though.