Re: Page allocator: Single Zone optimizations

Christoph Lameter
2006-11-02T00:27:26Z

On Wed, 1 Nov 2006, Andrew Morton wrote:

> > I think that choice is better than fiddling with the VM by adding
> > additional zones which will introduce lots of other problems.
>
> What lots of other problems? 64x64MB zones works good.

Read my earlier mail on this. Certainly you can make this work for a
specialized load that does not use all kernel features.

> > Right. So the device needs to disengage and then move its structures.
>
> I don't think we have a snowball's chance of making all kernel memory
> relocatable. Or even a useful amount of it.

In the simplest case the device would close down free all of its memory
and then start up again reallocating necessary memory?