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SubjectRe: statm_pgd_range() sucks!
Date
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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