Large virtual page size support.

[Alan Cox]

On Tue, Jan 17, 2006 at 11:18:56PM +0100, Poul-Henning Kamp wrote:
> In message <43CD612E.2060002 at elischer.org>, Julian Elischer writes:
> >Jeff Roberson wrote:
> >
> >> I have implemented support in the vm for PAGE_SIZE values which are a 
> >> multiple of the hardware page size.  This is primarily useful for two 
> >> things:
> >
> >Mach (and the VM system we inherrited from it) had this. I beieve it was 
> >removed with teh comment
> >"If we need this and someone is willing to support it it can be added 
> >back" .
> 
> It was a VAX artifact and not very usable.  I belive we have a couple
> of comments and macros which still talk about "clicks".
> 

It was not a VAX artifact.  Also, Jeff's work differs significantly
from what Mach did on the VAX.  I'll explain the differences after
my paper deadline passes tomorrow.

Alan