Purpose of compaction is to get a high order page. Currently, if we find
high-order page while searching migration target page, we break it to
order-0 pages and use them as migration target. It is contrary to purpose
of compaction, so disallow high-order page to be used for
migration target.
Purpose of compaction is to get a high order page. Currently, if we find
high-order page while searching migration target page, we break it to
order-0 pages and use them as migration target. It is contrary to purpose
of compaction, so disallow high-order page to be used for
migration target.
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