Messages in this thread |  | | | Date | Mon, 17 Sep 2007 21:56:15 +0200 | | From | Peter Zijlstra <> | | Subject | Re: [PATCH] Configurable reclaim batch size |
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On Mon, 17 Sep 2007 10:54:59 -0700 (PDT) Christoph Lameter <clameter@sgi.com> wrote:
> 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.
Might, I'd just like a _little_ justification for an extra tunable.
> > 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?
hehe, I wish. I was just hoping you'd done this patch as a result of an actual problem and not a hunch. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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