Re: [RFC] use radix_tree for non-resident page tracking

From: Rik van Riel
Date: Mon Oct 10 2005 - 09:00:55 EST


On Mon, 10 Oct 2005, WU Fengguang wrote:

> The CLOCK-Pro page replacement is quite appealing, and I'd like to
> contribute an idea: How about store bookkeeping info of dropped pages
> in-place in radix_tree?

How are you going to get the inter-reference distance
this way?

I do not see how the radix tree provides you with the
refault distance, which is needed to estimate the
inter-reference distance.

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