Herbert Xu wrote:
Nick Piggin <[email protected]> wrote:
network code. If the latter, that would suggest at least in theory
it could use noncongiguous physical pages.
With Dave's latest super-TSO patch, TCP over loopback will only be
doing order-0 allocations in the common case. UDP and others may
still do large allocations but that logic is all localised in
ip_append_data.
So if we wanted we could easily remove most large allocations over
the loopback device.
I would be very interested to look into that. I would be
willing to do benchmarks on a range of machines too if
that would be of any use to you.
Thanks,
Nick
--
SUSE Labs, Novell Inc.
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