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Date: Mon, 20 Jun 2005 00:36:47 -0700
From: Andrew Morton <akpm@osdl.org>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: linux-kernel@vger.kernel.org, andrea@suse.de, mason@suse.de
Subject: Re: [patch 2/2] stats for orphaned pages (-mm only)
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Nick Piggin <nickpiggin@yahoo.com.au> wrote:
>
> And this.
> 
> ...
> 
> [vm-orphaned-debug.patch  text/x-patch (3472 bytes)]

yup.  Observing the chnages in these numbers across various workloads would
go a long way toward validating the need for some patch and toward
validating a particular patch's effectiveness too.