Re: Out of memory management in embedded systems

[Robin Getz]

On Mon 1 Oct 2007 12:27, david@xxxxxxx pondered:
> overcommit by default is optimistic that if the program requesting the 
> memory actually tries to use it there will be enough (both the fork-exec
> situation and the copy-on-write memory of real forks mean that the
> system ends up useing much less memory then is theoretically allocated).
> 
> switching it to be pessimistic (overcommit 2 IIRC) means that the OOM 
> handler will never kick in, but it means that programs will be told that
> there isn't any memory when there really is enough for the program to 
> work.

I have set it to 2, and still get the OOM if I malloc too much... I never get 
a null back from malloc, no matter what I try.

-Robin
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