Re: [PATCH] Configurable reclaim batch size

Christoph Lameter
2007-09-17T17:55:12Z

On Sat, 15 Sep 2007, Peter Zijlstra wrote:

> It increases the lock hold times though. Otoh it might work out with the
> lock placement.

Yeah may be good for NUMA.

> Do you have any numbers that show this is worthwhile?

Tried to run AIM7 but the improvements are in the noise. I need a tests
that really does large memory allocation and stresses the LRU. I could
code something up but then Lee's patch addresses some of the same issues.
Is there any standard test that shows LRU handling regressions?