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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Emacs 32 -> 64 bits on Win32
Date: Mon, 21 Nov 2011 05:03:00 -0500
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	(message from Fabrice Popineau on Sun, 20 Nov 2011 23:16:48 +0100)
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> From: Fabrice Popineau <fabrice.popineau@gmail.com>
> Date: Sun, 20 Nov 2011 23:16:48 +0100
> 
> > How much physical memory would a typical 64-bit Windows box have?  I'd
> > say set the reserved heap size to twice that much.  If the page file
> > size is something like 1.5 to 2 times the size of physical RAM,
> > Windows will probably refuse a larger reservation anyway.
> >
> 
> No it doesn't.  [...]  I have a 4Gb machine and I have been able to
> reserve about 540Gb. So the question is : with a 64 bits emacs,
> where do you start ?

If you can reserve 1/2 TB, let's start with that.  We can increase it
later if people complain ;-)

> if we prefer to stick with "small" address space.

We don't.  But thanks for the reference.