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SubjectRe: [PATCH] Patch to Memory Subsystem ... (Needed?)
Horst von Brand wrote:
> Brian Schau <> said:
> > Hard to say. But with ram being cheap these days, who can't afford a
> > spare 1Mb?
> > (Which i think should be sufficient?)
> If I pay for RAM, I want to use it...

Ofcourse you do. That's why you buy it!

But why do people (in general) run raid-1 on their harddisks? To be
protected against disk failure.

Why do I want to reserve some pages for root? So that if all memory
seems to be exhausted, root still have the opportunity to login,
evaluate and eventually find a solution to the problem. Instead of
doing a hard reboot as I was forced to do (which meant that I put 14
people on hold for 15-20 minutes while the server was fighting it's way
back to life. Fortunately we didn't loose any data ...)

> --
> Dr. Horst H. von Brand
> Departamento de Informatica Fono: +56 32 654431
> Universidad Tecnica Federico Santa Maria +56 32 654239
> Casilla 110-V, Valparaiso, Chile Fax: +56 32 797513

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