Increase memory limits for IcedTea

[Andrew Haley]

Florian Weimer writes:
 > * Andrew Haley:
 > 
 > > 3.  There may be other untoward consequences of removing these limits:
 > 
 > It tends to break with "vm.overcommit_memory = 2".  AFAICT, IcedTea uses
 > the wrong flags with mmap/mprotect, or there is a kernel bug.
 > 
 > Unfortunately, it's not documented which flags you need to pass to make
 > an allocation not count against the beancounter.  Currently,
 > MAP_NORESERVE does not work, but allocating with PROT_NONE and setting
 > the proper flags later does.
 > 
 > It would be great if you could resolve this with the kernel team.  (It's
 > not just Java which would benefit from clear documentation, many other
 > memory managers would.)

I'm sorry, but you're just being a bit too obscure for me.  What do
you mean by "it tends to break"?  

If you could give an example to test, with a description of what you
think should happen and what does happen, then I could talk to the
kernel team.

Andrew.

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