On Wed, 18 Jul 2001, Jim Pirzyk wrote:
> So I have a need to increase the max stack size in the kernel. There
> currently is no knob to do this. I though of implementing it like
> the max data size knob (MAXDSIZ). Is this the best answer or should
> it maybe be done via read only sysctl (and then can be set in the
> /boot/loader.conf)? I know how to do the former, but I am not sure
> about the latter.
This (set MAXSSIZ in the same way as MAXDSIZ) is the best answer. There
is no point in making it more tunable than MAXDSIZ.
Notes:
- MAXSSIZ used to be an option, just like MAXDSIZ. There are ifdefs for
both in <machine/vmparam.h>. This was broken by not putting MAXSSIZ in
sys/conf/options.
- the stack size should normally be limited using login.conf or the
stack size rlimit. These don't apply here because MAXSSIZ gives
the maximum that can be set using these.
Bruce
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