Re: vmscan.c heuristic adjustment for smaller systems

From: William Lee Irwin III
Date: Sat Apr 17 2004 - 23:18:55 EST

On Sun, Apr 18, 2004 at 01:37:45PM +1000, Nick Piggin wrote:
> swappiness is pretty arbitrary and unfortunately it means
> different things to machines with different sized memory.
> Also, once you *have* gone past the reclaim_mapped threshold,
> mapped pages aren't really given any preference above
> unmapped pages.
> I have a small patchset which splits the active list roughly
> into mapped and unmapped pages. It might hopefully solve your
> problem. Would you give it a try? It is pretty stable here.

It would be interesting to see the results of this on Marc's system.
It's a more comprehensive solution than tweaking numbers.

-- wli
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