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From: Daniel Phillips <phillips@arcor.de>
To: Andrew Morton <akpm@zip.com.au>,
       William Lee Irwin III <wli@holomorphy.com>
Subject: Re: statm_pgd_range() sucks!
Date: Mon, 2 Sep 2002 00:02:38 +0200
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On Friday 30 August 2002 04:51, Andrew Morton wrote:
> William Lee Irwin III wrote:
> > (1) shared, lib, text, & total are now reported as what's mapped
> >         instead of what's resident. This actually fixes two bugs:
> 
> hmm.  Personally, I've never believed, or even bothered to try to
> understand what those columns are measuring.  Does anyone actually
> find them useful for anything?  If so, what are they being used for?
> What info do we really, actually want to know?

I don't know what use 'shared' is, but it's clearly not very accurate
since it's just adding up all pages with count >= 1.  The only remotely
correct thing to do here is check for multiple pte reverse pointers.

-- 
Daniel
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