kvm on amd64 - >6G?

[Kris Kennaway]

Barry Boes wrote:
> I could apply such a patch to my servers, but there are two disadvantages :
>   o who wants to apply kernel patches to mission critical servers? Isn't
>      that a linux thing (joke!) 

A trivial tweak would let you set both parameters in your kernel 
configuration as an option.

>   o what about apps like the linuxulator that might not stand for this?

Why do you think they will care?

> On the tunable option : with today's kmem_size and kmem_size_max
> tunables, would there also be a need to tune the portion of address
> space available to kmem?

Yes, it is still suballocated out of the kernel map.

Kris