On Wed, 21 Jun 2006 23:07:37 -0700 (PDT)
Christoph Lameter <[email protected]> wrote:
> On Wed, 21 Jun 2006, Andrew Morton wrote:
>
> > Performance testing is critical here. I think some was done, but I don't
> > reall what tests were performed, nor do I remember the results. Without such
> > info it's not possible to make a go/no-go decision.
>
> Tests did show that there was no performance regression for the usual
> tests. That is to be expected since the patch should only modify the
> behavior of shared writable mapping. The use of those is rare in typical
> benchmarks.
Of course. In this case one should prepare an artificial microbenchmark so
we can understand the worst case.
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