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SubjectRe: Unfreed kernel buffers (fsck and 2.3.99-pre*)
On Thu, 23 Mar 2000, Craig Kulesa wrote:

> On Thu, 23 Mar 2000, Mike Galbraith wrote:
>
> > > Summary: If I open a suitably large text file in Emacs, and the system
> > > swaps liberally, and the application is closed -- those swapped pages are
> > > not immediately released in 2.3.99-pre* (up to pre3-5), but only upon
> > > "demand".
> >
> > Well, I'm glad I'm not the only one seeing this. Here, after a day
> > of swap testing, I ended up with 100meg of something unidentifiable
> > hanging out in swap.
> >
> > I think that this is a problem. If I bloat up swap with netscape,
> [...]
>
> The vm changes between pre3-5 and pre3-7 seems to have eliminated this
> issue for me. If I do the same test as before, swap goes from 23 MB
> committed quickly back to only 4 MB after emacs closure, not 17 MB as it
> did in pre3-5. It now works much better for me; there's nothing like
> putting the system under memory load and seeing that it still has to deal
> with the cruft from the last serious operation. Which was why I inquired
> about it. :)
>
> So, does pre3-7+ help you in this regard?

I wasted the day burning 2.3.99-2 some more. Nothing interesting
happened and I couldn't repeat the buildup of 100mb of cruft. I
imagine my funnies (and/or phantasies) will be cured too, but I'll
burn it hard anyway to make sure.

-Mike


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