Messages in this thread |  | | Date | Mon, 18 Sep 2000 01:35:08 +0200 | From | "Andi Kleen" <> | Subject | Re: /proc/sys/vm/freepages not writable. |
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On Sun, Sep 17, 2000 at 03:53:47PM -0300, Rik van Riel wrote: > On Sun, 17 Sep 2000, Andi Kleen wrote: > > On Sun, Sep 17, 2000 at 03:09:52PM -0300, Rik van Riel wrote: > > > > 1. The inactive_target is 1 second worth of allocations, minus > > > the amount of frees in 1 second, averaged over a minute > > > > So it cannot take load bursts. That's ok for a default, but for > > special loads it would be good if there was a way for the > > administrator to overwrite that, similar to the old freepages. > > OK, lets see if we can come up with some nice (self-tuning?) > idea for this at Linux Kongress ;)
I don't like self tuning algorithms for this case, because they tend to cause a disruption on the first spike (e.g. causing lots of packets dropped first until the VM can adapt). When the admin says "I don't care if 10MB are wasted, I want it this way" explicitely he should get his will.
-Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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