forked from Minki/linux
nvme-pci: fix PRP pool size
All operations are based on the controller, not the host page size. Switch the dma pool to use the controller page size as well to avoid massive overallocations on large page size systems. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -2460,7 +2460,8 @@ static int nvme_disable_prepare_reset(struct nvme_dev *dev, bool shutdown)
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static int nvme_setup_prp_pools(struct nvme_dev *dev)
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{
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dev->prp_page_pool = dma_pool_create("prp list page", dev->dev,
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PAGE_SIZE, PAGE_SIZE, 0);
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NVME_CTRL_PAGE_SIZE,
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NVME_CTRL_PAGE_SIZE, 0);
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if (!dev->prp_page_pool)
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return -ENOMEM;
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