Re: 2.6.10-rc3: kswapd eats CPU on start of memory-eating task

From: Rik van Riel
Date: Mon Dec 20 2004 - 10:08:58 EST

On Mon, 20 Dec 2004 mr@xxxxxxxxxxx wrote:

- Enjoy :) "eatmemory" will slowly eat up more and more RAM (visible in
top as RSS); under no screen freezes come, and under 2.6.9 and
2.6.10-rc3 they do come; under 2.6.10-rc3 I also see high CPU periods for

The high cpu use for kswapd should be fixed by applying
the vm-pageout-throttling.patch patch from -mm.

I'll also come up with a patch to not have the swap token
used when the system is not under a swapin load...

He did not think of himself as a tourist; he was a traveler. The difference is
partly one of time, he would explain. Where as the tourist generally hurries
back home at the end of a few weeks or months, the traveler belonging no more
to one place than to the next, moves slowly, over periods of years, from one
part of the earth to another. Indeed, he would have found it difficult to tell,
among the many places he had lived, precisely where it was he had felt most at
home. -- Paul Bowles
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