Re: Ongoing 2.4 VM suckage

Rik van Riel
2001-08-03T22:08:29Z

On Fri, 3 Aug 2001, Mike Black wrote:

> Couldn't kswapd just gracefully back-off when it doesn't make any
> progress? In my case (with ext3/raid5 and a tiobench test) kswapd
> NEVER actually swaps anything out. It just chews CPU time.

> So...if kswapd just said "didn't make any progress...*2 last sleep" so
> it would degrade itself.

It wouldn't just degrade itself.

It would also prevent other programs in the system
from allocating memory, effectively halting anybody
wanting to allocate memory.

Rik
--
Virtual memory is like a game you can't win;
However, without VM there's truly nothing to lose...

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