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    Subject2.6.16-rc6-mm2: Why is CONFIG_MIGRATION available for everyone?
    On Sat, Mar 18, 2006 at 04:40:56AM -0800, Andrew Morton wrote:
    > Changes since 2.6.16-rc6-mm1:
    > +page-migration-reorg.patch
    > Reorganise the page migration code

    The patch description includes:

    5. Make it possible to configure NUMA systems without page migration
    and non-NUMA systems with page migration.

    I don't see the point in making this option visible for the majority of
    users on non-NUMA systems who will never need it.

    When is it required on non-NUMA systems?
    Memory hotplug?
    Can we express this explicitely?



    "Is there not promise of rain?" Ling Tan asked suddenly out
    of the darkness. There had been need of rain for many days.
    "Only a promise," Lao Er said.
    Pearl S. Buck - Dragon Seed

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