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    SubjectRe: 2.4.19pre1aa1
    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
    > Highmem? Let's assume you speak about "normal" and "dma" only of course.
    > And that's not always the right zonelist layout. If an allocation asks for
    > ram from a certain node, like during the ram bindings, we should use the
    > current layout of the numa zonelist. If node A is the preferred, than we
    > should allocate from node A first,

    You're forgetting about the fact that this NUMA box only
    has 1 ZONE_NORMAL and 1 ZONE_DMA while it has multiple
    HIGHMEM zones...

    This makes the fallback pattern somewhat more complex.


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