On Mon, 2011-01-17 at 23:12 -0800, Hugh Dickins wrote:

I understand you're intending to update your preemptible mmu_gather
patchset against 2.6.38-rc1, so I've spent a while looking through
(and running) your last posted version (plus its two fixes from BenH).

I've had no problems in running it, I can't tell if it's quicker or
slower than the unpatched.  The only argument against the patchset,
really, would be performance: and though there are no bad reports on
it as yet, I do wonder how we proceed if a genuine workload shows up
which is adversely affected.  Oh well, silly to worry about the
hypothetical I suppose.

Wow, _HUGE_ review, thanks! I'll slowly make my way through it when I do
the rebase against .38-rc1, most suggestions look very good indeed.

And as to performance, there's the no-regression report from Yanmin
running it through the Intel test farm. However Nick also had a
particular workload he wanted to test, Nick, do you think you've got a
few spare minutes to dig that workload up and give it a run?

But I guess you're right, there's always a chance someone hits
something, and I guess there's nothing to it but to deal with it when
that comes..

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