Increase memory limits for IcedTea
fw at deneb.enyo.de
Thu Oct 11 10:28:30 PDT 2007
* Andrew Haley:
> > Maybe. In this case, Hotspot should use a different method to
> > reserve the address space. My concern is that the PROT_NONE trick
> > works, but is (AFAIK) not documented, and might break in the
> > future.
> Indeed it might. Indeed, the PROT_NONE trick sounds like it behaves
> in a way that is contrary to the specification.
> From a support point of view, the way that Java dynamically sets its
> limits based on the capabilities of a particular box is quite scary.
> I can certainly see why it's done, but it does mean that for
> reproducible builds you have to find VM parameter that is set
> dynamically and nail it down.
Well, I'm not sure what's the answer to this problem, and how it relates
to the MAP_NORESERVE/PROT_NONE issue (and if at all).
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