> stupid idea, perhaps, but would it be possible to recycle the idea of > having some sort of canaries at the end of *each* page, thus disposing > of the need to have guard pages? Or would that be too costly?
Oh sure, that'll work Ok, I'll just ensure when your file gets written out it has a 64 byte canarie replacing whatever was in it every 4K of the file. You won't miss that data much.
