Reread what I wrote. Even if there is no overcommitment of any form anywhere
on your system, you might run out of memory (sound obvious enough I hope)
in which case malloc (for instance) might return NULL. If this malloc was
executed by /sbin/init, it might very well end up rebooting the machine.
Stefan
PS: and even if /sbin/init doesn't do any memory allocation of any form
(whether via malloc or via stack-growing), the same problem applies to other
important processes.
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