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    SubjectRe: [PATCH] i386: single node SPARSEMEM fix
    On Wed, 2005-09-07 at 11:22 -0700, Martin J. Bligh wrote:
    > CONFIG_NUMA was meant to (and did at one point) support both NUMA and flat
    > machines. This is essential in order for the distros to support it - same
    > will go for sparsemem.

    That's a different issue. The current code works if you boot a NUMA=y
    SPARSEMEM=y machine with a single node. The current Kconfig options
    also enforce that SPARSEMEM depends on NUMA on i386.

    Magnus would like to enable SPARSEMEM=y while CONFIG_NUMA=n. That
    requires some Kconfig changes, as well as an extra memory present call.
    I'm questioning why we need to do that when we could never do
    DISCONTIG=y while NUMA=n on i386.

    -- Dave

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