On Fri, 20 Jul 2007 20:42:46 +0900
Paul Mundt <[email protected]> wrote:
> > I expect that the memory gets added to the same zone as historically but
> > when ZONE_MOVABLE is set, you'll see a situation where zones are overlapping
> > after memory hot-add. i.e. Before memory hot-add, you'd see
> >
> > DDDDMM
> >
> > for ZONE_DMA and ZONE_MOVABLE and after hotadd, you'd see something like
> >
> > DDDDMMDDDD
> >
As similar case, I hear powerpc has followig memory layout
(1)(1)(0)(0)(0)(1)(1)(1) # (0) is node 0, (1) is node 1. all zones are ZONE_DMA.
So zone is overlapped without memory hotplug.
But I agree we have to take care of this kind of corner cases.
Thanks,
-Kame
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