RE: Overcommitable memory??

From: Richard B. Johnson (root@chaos.analogic.com)
Date: Fri Mar 24 2000 - 08:43:27 EST


On Fri, 24 Mar 2000, Rik van Riel wrote:

> On Thu, 23 Mar 2000, David Schwartz wrote:
>
> > If there was a portable way to detect imminent resource
> > exhaustion before malloc starts to fail, I'd happily use it.
>
> If there was a way to look into the future, I'm sure we'd
> all happily use it :)
>

Some system call "get_free_pages", maybe... If it's getting low,
don't do <something> you were about to do??

This requires cooperative tasks, but many programs could be "taught" to
cooperate, just put such a call into malloc().

Cheers,
Dick Johnson

Penguin : Linux version 2.3.41 on an i686 machine (800.63 BogoMips).

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