On Wed, Jun 10, 2009 at 12:18:07AM -0700, Johan Beisser wrote: > On Tue, Jun 9, 2009 at 2:50 PM, Ted Unangst<[email protected]> wrote: > > > The short answer is that you can't use more than 1GB of memory. > > Out of curiosity, what's the long answer?
Virtual memory layout limits this. There needs to be space for W^X, mmap, shared lib with random load addresses and whatnot. Your trusty local OpenBSD http mirror has the gory details in papers/ somewhere. On amd64 the heap limit is 8G.
