Re: [RFC] Arch option to touch newly allocated pages

From: Daniel Phillips (phillips@bonn-fries.net)
Date: Wed Mar 06 2002 - 10:24:17 EST


On March 6, 2002 04:24 pm, Benjamin LaHaise wrote:
> On Wed, Mar 06, 2002 at 03:59:22PM +0100, Daniel Phillips wrote:
> > Suppose you have 512 MB memory and an equal amount of swap. You start 8
> > umls with 64 MB each. With your and Peter's suggestion, the system always
> > goes into swap. Whereas if the memory is only allocated on demand it
> > probably doesn't.
>
> As I said previously, going into swap is preferable over randomly killing
> new tasks under heavy load.

Huh? In the example I gave, you will never oom but with your suggestion, you
will always go needlessly go into swap. I'm suprised that you and Peter are
aguing in favor of wasting resources.

-- 
Daniel
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