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. :(