On Sun, Dec 04, 2005 at 06:03:15PM +0300, Nikita Danilov wrote:
> > inter-reference distance, and therefore should be better protected(if ignore
> > possible read-ahead effects). If we move re-accessed pages immediately into
> > active_list, we are pushing them closer to danger of eviction.
>
> Huh? Pages in the active list are closer to the eviction? If it is
> really so, then CLOCK-pro hijacks the meaning of active list in a very
> unintuitive way. In the current MM active list is supposed to contain
> hot pages that will be evicted last.
The page is going to active list anyway. So its remaining lifetime in inactive
list is killed by the early move.
Thanks,
Wu
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