From mboxrd@z Thu Jan  1 00:00:00 1970
From: Robin Holt <holt@sgi.com>
Date: Tue, 28 Mar 2006 21:00:16 +0000
Subject: Re: show_mem() for ia64 discontig takes a really long time on large systems.
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To: linux-ia64@vger.kernel.org

On Tue, Mar 28, 2006 at 12:09:00PM -0800, Chen, Kenneth W wrote:
> Can you walk the vmem_map's page table and look for none-zero entry, sort
> of implement something like find_next_valid_pfn? There you can walk at pud,
> pmd's granule step.

Short of breaking up nodes into multiple pgdat structures, I think this
will be the most efficient.  I will try this when I get the time.

Thanks,
Robin