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Date: Sat, 30 Jul 2005 19:05:41 -0700 (PDT)
From: Christoph Lameter <christoph@lameter.com>
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To: Paul Jackson <pj@sgi.com>
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Subject: Re: [PATCH] String conversions for memory policy
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On Sat, 30 Jul 2005, Paul Jackson wrote:

> Christoph wrote:
> > The problem is how to convert them back for display. Match the zones in 
> > groups of three to the zones in a node and then print out the node?
> 
> What does get_mempolicy(2) do?  I doubt it assumes groups of three.
> See further the case for MPOL_BIND, in mm/mempolicy.c:get_zonemask().

It sets all the node bits by looping over all zones using 
zone->zone_pgdat->node_id.