Re: Avoiding external fragmentation with a placement policy Version 12

Herbert Xu
2005-06-04T01:44:30Z

Nick Piggin <nickpiggin@yahoo.com.au> 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.

Cheers,
--
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