The migrate scanner in async compaction is currently limited to MIGRATE_MOVABLE
pageblocks. This is a heuristic intended to reduce latency, based on the
assumption that non-MOVABLE pageblocks are unlikely to contain movable pages.
However, with the exception of THP's, most high-order allocations
The migrate scanner in async compaction is currently limited to MIGRATE_MOVABLE
pageblocks. This is a heuristic intended to reduce latency, based on the
assumption that non-MOVABLE pageblocks are unlikely to contain movable pages.
However, with the exception of THP's, most high-order allocations
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