The memory controller is not a great place for this in general - for instance, imagine memcpying to a 8kB region whose 2nd page has been flushed to disk. Now th

The memory controller is not a great place for this in general - for instance, imagine memcpying to a 8kB region whose 2nd page has been flushed to disk. Now the memory controller needs to be able to resolve page faults...