On Wed, 2007-07-25 at 09:45 -0700, Bart Smaalders wrote:
> read side I/O buffer pre-posting

I like this.  there's also promise for making it possible to constrain
the amount of kernel memory tied up in buffers "in flight" to userspace
without hurting performance -- if your tcp (or other) window *is* the
amount of unused buffer space the application has posted, the kernel
will have a place to put every incoming byte before you tell the peer
it's okay to send it.








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