Re: SLUB doesn't work with kdump kernel on Cell

[Christoph Lameter]

On Tue, 14 Aug 2007, Lucio Correia wrote:

> > SLAB boots because it falls back to node 0 for the control structures. So 
> > it creates useless control structures for node 1. These are then never 
> > used since any allocation  attempt to node 1 falls back to node 0.
> 
> Hi Christoph,
> 
> Shouldn't SLUB falls back to other node also for the case it can't
> allocate memory? 

Yes SLUB will fall back but not during bootstrap. Bootstrap needs to 
carefully place structures on the right nodes. We fail during bootstrap 
because there is *no* memory available on it.
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