malloc does not return null when out of memory

[Matthias Buelow]

Barney Wolff writes:

>One might argue that this is a config error, and ulimit should be used
>to cut the address space to below actually available memory.

Wasn't there a sysctl flag to enable/disable overcommitting?
I think I remember something but I can't find it; it might
not have been on FreeBSD.

-- 
  Matthias Buelow;  mkb@{mukappabeta.de,informatik.uni-wuerzburg.de}