[RFC] arm64: defconfig: enable 48-bit VA by default

[Catalin Marinas]

On Thu, Jul 30, 2015 at 04:32:19PM +0000, Stuart Yoder wrote:
> > -----Original Message-----
> > From: Catalin Marinas [mailto:catalin.marinas at arm.com]
> >
> > For the time being, I would keep defconfig to 39-bit VA. If we start
> > seeing systems with lots of RAM (over 256GB), we'll probably change the
> > defconfig.
> 
> Somone who follows the "Principles" doc "correctly" will hit an issue
> with the linear memory map after 32GB of RAM, right?   2 GB in 1st alias,
> 30 GB in 2nd alias, and rest at the 544 GB offset.

Right (though I still don't like it but, well...).

-- 
Catalin