On Friday, May 04, 2007, Christoph Lameter wrote:
> On Fri, 4 May 2007, Lee Schermerhorn wrote:
> > Hmmm... "serious hackery", indeed! ;-)
>
> Maybe on the arch level but minimal changes to core code.
> And it is a step towards avoiding zones in NUMA.
You mentioned that if node 0 has a small ZONE_NORMAL and the ZONE_DMA for
the system, defaulting to using ZONE_NORMAL on all nodes first would be a
bad idea. Is that really true? Maybe for ZONE_DMA32 it is since that
first node could have a few gigs of memory, but for regular ZONE_DMA it's
probably the right thing to do...
So aside from the comment issues Lee already pointed out, I think
Kamezawa-san's patch from
http://marc.info/?l=linux-mm&m=117758484122663&w=4 seems reasonable.
Jesse
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