Re: Overcommitable memory??

From: James Sutherland (jas88@cam.ac.uk)
Date: Mon Mar 20 2000 - 07:34:05 EST


On Mon, 20 Mar 2000 05:47:11 -0600, you wrote:

>On Sun, 19 Mar 2000, Horst von Brand wrote:
>>James Sutherland <jas88@cam.ac.uk> said:
>>
>>[...]
>>
>>> However it is handled, you now know that your memory allocation
>>> succeeded and you have real memory on your hands, not just an IOU. If
>>> there isn't any memory available, you get SIGBUSed - but then OOM
>>> conditions usually lead to death anyway.
>>
>>You can hand out a IOU when you don't have the cash at hand, so you can go
>>farther that way. That is why IOUs are around in the first place: They
>>_are_ useful, even if more dangerous than hard cash.
>
>You go farther until the mob calls your IOUs. Then you die.

Had you not been able to hand out IOUs, you would already have been
dead for some time.

James.

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