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sata_mv ncq Use DMA memory pools for hardware memory tables
Create host-owned DMA memory pools, for use in allocating/freeing per-port command/response queues and SG tables. This gives us a way to guarantee we meet the hardware address alignment requirements, and also reduces memory that might otherwise be wasted on alignment gaps. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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