On Tue, 13 Feb 2007 10:50:53 -0800 (PST)
Christoph Lameter <[email protected]> wrote:
> On Tue, 13 Feb 2007, Martin J. Bligh wrote:
>
> > What's wrong with just setting the existing counters like
> > node_spanned_pages / node_present_pages to zero?
>
> Will this fix the breakage that Kame-san saw?
>
Now, memory-less-node's presetn_pages and spanned_pages are zero.
and zone's present_pages is zero, too.
We added populated_zone(zone) macro. This can check a zone has pages or not.
(see build_zonelist in page_alloc.c)
-Kame
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