MIGRATE_RESERVE preserves an old property of the buddy allocator that existed
prior to fragmentation avoidance -- min_free_kbytes worth of pages tended to
remain contiguous until the only alternative was to fail the allocation. At the
time it was discovered that high-order atomic allocations
MIGRATE_RESERVE preserves an old property of the buddy allocator that existed
prior to fragmentation avoidance -- min_free_kbytes worth of pages tended to
remain contiguous until the only alternative was to fail the allocation. At the
time it was discovered that high-order atomic allocations
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