Re: [PATCH 1/7] Allow CONFIG_MIGRATION to be set withoutCONFIG_NUMA

From: Christoph Lameter
Date: Thu Jan 07 2010 - 17:05:13 EST



On Thu, 7 Jan 2010, David Rientjes wrote:

> CONFIG_MIGRATION is no longer strictly dependent on CONFIG_NUMA since
> ARCH_ENABLE_MEMORY_HOTREMOVE has allowed it to be configured for UMA
> machines. All strictly NUMA features in the migration core should be
> isolated under its #ifdef CONFIG_NUMA (sys_move_pages()) in mm/migrate.c
> or by simply not compiling mm/mempolicy.c (sys_migrate_pages()), so this
> patch looks fine as is (although the "help" text for CONFIG_MIGRATION
> could be updated to reflect that it's useful for both memory hot-remove
> and now compaction).

Correct.

Reviewed-by: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>
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