[RFC/PATCH] ppc64: Add mem=X option

[Benjamin Herrenschmidt]

On Wed, 2005-02-23 at 22:38 -0600, Olof Johansson wrote:

> > 
> > I'm not sure, it seems to boot happily either way. But I think it's better not 
> > to bolt it all - that more closely resembles the situation we're trying to 
> > simulate, ie that there is no more RAM than the limit.
> 
> The only drawback of always bolting it all is that noone will find bugs
> caused by referencing kernel memory that's past the limit. :-)

He's currently not bolting it all and I think that's the way to go.