On Fri, Apr 6, 2012 at 1:32 AM, Bartlomiej Zolnierkiewicz <
b.zolnierkie@samsung.com> wrote:

> Allow lower order buddy pages in suitable_migration_target()
> so isolate_freepages() can isolate them as free pages during
> compaction_alloc() phase.
>

It could mix movable pages in unmovable block so that it would mess page
grouping up. :(


-- 
Kind regards,
Minchan Kim