Re: [Xen-devel] [PATCH] xen/netfront: improve truesize tracking

[Eric Dumazet <erdnetdev@xxxxxxxxx>]

On Wed, 2012-12-19 at 12:34 +0100, Sander Eikelenboom wrote:

> Hi Ian,
> 
> It ran overnight and i haven't seen the warn_once trigger.
> (but i also didn't with the previous patch)
> 

As I said, the miminum value to not trigger the warning was what Ian
patch was doing, but it was still a not accurate estimation.

Doing the real accounting might trigger slow transferts, or dropped
packets because of socket limits (SNDBUF / RCVBUF) being hit sooner.

So the real question was : If accounting for full pages, is your
applications run as smooth as before, with no huge performance
regression ?




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