> 
> I certainly hope that in the case of a merged VM/buffer cache the stdio
> code would be changed to take advantage of this by mapping the file
> copy-on-write into user space. This could very well be seen as merging`
> the VM/buffer cache with stdio buffers.
> 
Actually, DG and I have been thinking of this -- and perhaps not changing
or adding code to stdio as much as changing transparently how read(2)
works under certain circumstances.

John
dyson@freebsd.org