Re: increasing sysv semaphore limits

[Greg Troxel <gdt%lexort.com@localhost>]

Mouse <mouse%Rodents-Montreal.ORG@localhost> writes:

>> 2) It's unclear to me why we have limits.  Right now there is some
>> (fairly small) amount of wired memory proportional to these limits.
>> If it were dynamically allocated, so that asking for another
>> semaphore just worked, that would be even better.
>
> Except doesn't that open you up to a DoS attack, running the kernel out
> of memory by creating a zillion semaphores?

I meant to say, and maybe I didn't manage to, that you'd still want a
max limit, but that it would be much higher than the amount you
preallocate.  More like the ulimit datasize.