On Tue, Mar 05, 2002 at 09:22:25AM -0300, Rik van Riel wrote:
> On Tue, 5 Mar 2002, Andrea Arcangeli wrote:
> > On Mon, Mar 04, 2002 at 10:26:30PM -0300, Rik van Riel wrote:
> > > On Tue, 5 Mar 2002, Andrea Arcangeli wrote:
> > > > On Mon, Mar 04, 2002 at 09:01:31PM -0300, Rik van Riel wrote:
> > > > > This could be expressed as:
> > > > >
> > > > > "node A" HIGHMEM A -> HIGHMEM B -> NORMAL -> DMA
> > > > > "node B" HIGHMEM B -> HIGHMEM A -> NORMAL -> DMA
>
> > the example you made doesn't have highmem at all.
> >
> > > has 1 ZONE_NORMAL and 1 ZONE_DMA while it has multiple
> > > HIGHMEM zones...
> >
> > it has multiple zone normal and only one zone dma. I'm not forgetting
> > that.
>
> Your reality doesn't seem to correspond well with NUMA-Q
> reality.
Not sure to understand your point, current code should be fine for all
the classic numas, and for the case you were making too. Anyways
whatever is wrong for NUMA-Q it's not a problem introduced with the
classzone design because that's completly orthogonal to whatever numa
heuristics in the allocator and memory balancing.
Andrea
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