This is exactly the issue I had.  It definitely handles actual page
replacement much better than pdpolicy_clock.  The problem is that the
tuning options don't seem to be fine-grained enough (or I don't
understand it well enough).  For some applications, I could see its
current incarnation being favorable.  It's just not good for desktop
use. :(

And, as you say, if you don't do vm system tuning, you can run into
this problem with old policy as well.  I'm not familiar enough with
this to know exactly what should be done, but perhaps something like
adding "weights" to the listq entries?

Regards,

--Blair



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