Re: [PATCH 04/11] Allow CONFIG_MIGRATION to be set without CONFIG_NUMAor memory hot-remove

[Christoph Lameter]

On Wed, 17 Mar 2010, Mel Gorman wrote:

> > If select MIGRATION works, we can remove "depends on NUMA || ARCH_ENABLE_MEMORY_HOTREMOVE"
> > line from config MIGRATION.
> >
>
> I'm not quite getting why this would be an advantage. COMPACTION
> requires MIGRATION but conceivable both NUMA and HOTREMOVE can work
> without it.

Avoids having to add additional CONFIG_XXX on the page migration "depends"
line in the future.

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