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 <[email protected]>
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