Re: Unfreed kernel buffers (fsck and 2.3.99-pre*)

From: Craig Kulesa (ckulesa@loke.as.arizona.edu)
Date: Thu Mar 23 2000 - 06:14:33 EST


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?

Craig Kulesa
ckulesa@as.arizona.edu

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