On Wednesday 08 February 2006 17:20, Christoph Lameter wrote:
> On Wed, 8 Feb 2006, Andi Kleen wrote:
>
> > > So a provisional solution would be to simply ignore empty zones in
> > > bind_zonelist?
> >
> > That would likely prevent the crash yes (Bharata can you test?)
> >
> > But of course it still has the problem of a lot of memory being unpolicied
> > on machines with >4GB if there's both DMA32 and NORMAL.
>
> The fix could result in a zonelist with no zones. So we can answer one
> question in __alloc_pages().
I don't think it can happen - at least one zone <= policy-zone has to
have memory otherwise the machine wouldn't work at all.
-Andi
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