Re: VIRT_ADDR_VARIES

[Eli Zaretskii]

> Date: Thu, 10 Nov 2011 08:29:43 -0800
> From: Paul Eggert <address@hidden>
> CC: address@hidden
> 
> On 11/10/11 03:06, Eli Zaretskii wrote:
> 
> > It could be that a test against my_edata was just a means,
> > but we should be sure it was
> 
> Yes, I'm sure it was a means.

But why would someone do such a thing? why not test against the start
and end of pure[], like the code conditioned on VIRT_ADDR_VARIES does?
Was all that just to keep pure[] private and not expose it as an
external symbol?  Or was there some other reason?