From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
To: WU Fengguang <wfg@mail.ustc.edu.cn>,
linux-kernel@vger.kernel.org, Rik van Riel <riel@redhat.com>
Subject: Re: [RFC] use radix_tree for non-resident page tracking\
Date: Mon, 10 Oct 2005 10:07:24 -0300 [thread overview]
Message-ID: <20051010130724.GB13876@logos.cnet> (raw)
In-Reply-To: <20051010162004.GA7958@mail.ustc.edu.cn>
On Tue, Oct 11, 2005 at 12:20:04AM +0800, WU Fengguang wrote:
> On Mon, Oct 10, 2005 at 10:00:30AM -0400, Rik van Riel wrote:
> > 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.
> How about taking down the current sum of `pgfree' in the slot?
Check this radix implementation
http://marc.theaimsgroup.com/?l=linux-mm&m=112387857203221&w=2
Using a hashtable is much faster though, needs measurement.
next prev parent reply other threads:[~2005-10-10 17:18 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-10 13:07 [RFC] use radix_tree for non-resident page tracking WU Fengguang
2005-10-10 13:54 ` Nick Piggin
2005-10-10 14:00 ` Rik van Riel
2005-10-10 16:20 ` WU Fengguang
2005-10-10 13:07 ` Marcelo Tosatti [this message]
[not found] ` <20051010161704.GA7679@mail.ustc.edu.cn>
[not found] ` <Pine.LNX.4.63.0510101237270.20944@cuia.boston.redhat.com>
2005-10-10 17:14 ` WU Fengguang
2005-10-10 17:19 ` Rik van Riel
2005-10-11 3:14 ` WU Fengguang
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