On Tue, 2008-11-04 at 01:29 +0100, Rafael J. Wysocki wrote:

quoted

Since zone *ranges* overlap, you can't tell to which zone a page belongs
simply from its address.  You need to ask the 'struct page'.

Understood.

This means that some zones may contain some ranges of pfns that correspond
to struct pages in another zone, correct?

Yup, that's correct.

The patch looks good to me.

-- Dave

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