Re: NUMA policy issues with ZONE_MOVABLE

KAMEZAWA Hiroyuki
2007-07-28T14:10:32Z

On Sat, 28 Jul 2007 12:57:09 +0100 (IST)
Mel Gorman <mel@csn.ul.ie> wrote:

> > I like this idea in general. My concern is zonelist scan cost.
> > Hmm, can this be help ?
> >
>
> Does this not make the assumption that the zonelists are in zone-order as
> opposed to node? i.e. that is is
>
> H1N1D1H2N2D2H3N3D3 instead of
> H1H2H3N1N2N3D1D2D3
>
> If it's node-order, does this scheme break?
>

Maybe no. "skip" will point to the nearest available zone anyway.
But there may be better scheme. This is jus an easy idea.

Thanks,
-Kame