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SubjectRe: [PATCH 2/7] Allow CONFIG_MIGRATION to be set without CONFIG_NUMA
On Mon, 18 Jun 2007, Mel Gorman wrote:

>
> CONFIG_MIGRATION currently depends on CONFIG_NUMA. move_pages() is the only
> user of migration today and as this system call is only meaningful on NUMA,
> it makes sense. However, memory compaction will operate within a zone and is

There are more user of migration. move_pages is one of them, then there is
cpuset process migration, MPOL_BIND page migration and sys_migrate_pages
for explicit process migration.

> useful on both NUMA and non-NUMA systems. This patch allows CONFIG_MIGRATION
> to be used in all memory models. To preserve existing behaviour, move_pages()
> is only available when CONFIG_NUMA is set.

What does this have to do with memory models? A bit unclear.

Otherwise

Acked-by: Christoph Lameter <clameter@sgi.com>

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