Re: [PATCH 1/6] mm: tracking shared dirty pages

Christoph Lameter
2006-06-22T06:07:37Z

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.