Messages in this thread | | | Date | Sat, 04 Jun 2005 12:15:46 +1000 | From | Nick Piggin <> | Subject | Re: Avoiding external fragmentation with a placement policy Version 12 |
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Herbert Xu wrote: > 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.
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
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