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From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: David Rientjes <rientjes@google.com>
Subject: Re: [resend][PATCH] mm: increase RECLAIM_DISTANCE to 30
Cc: kosaki.motohiro@jp.fujitsu.com, Christoph Lameter <cl@linux.com>,
        Balbir Singh <balbir@linux.vnet.ibm.com>, Mel Gorman <mel@csn.ul.ie>,
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> On Fri, 8 Oct 2010, Christoph Lameter wrote:
> 
> > It implies that zone reclaim is going to be automatically enabled if the
> > maximum latency to the memory farthest away is 3 times or more that of a
> > local memory access.
> > 
> 
> It doesn't determine what the maximum latency to that memory is, it relies 
> on whatever was defined in the SLIT; the only semantics of that distance 
> comes from the ACPI spec that states those distances are relative to the 
> local distance of 10.

Right. but do we need to consider fake SLIT case? I know actually such bogus
slit are there. but I haven't seen such fake SLIT made serious trouble.