I have never used mmap, as I had no need, but I know BoltDB uses it and from what I remember, the mmap is good for when you are working with whole disk pages, w

I have never used mmap, as I had no need, but I know BoltDB uses it and from what I remember, the mmap is good for when you are working with whole disk pages, which BoltDB does. Otherwise it seems to be wrong use case for it?