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Diffstat (limited to 'drivers/block/nvme-core.c')
| -rw-r--r-- | drivers/block/nvme-core.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c index 82b4ffb6eefa..666e994fd622 100644 --- a/drivers/block/nvme-core.c +++ b/drivers/block/nvme-core.c @@ -1454,8 +1454,9 @@ static int nvme_cmb_qdepth(struct nvme_dev *dev, int nr_io_queues, unsigned q_size_aligned = roundup(q_depth * entry_size, dev->page_size); if (q_size_aligned * nr_io_queues > dev->cmb_size) { - q_depth = rounddown(dev->cmb_size / nr_io_queues, - dev->page_size) / entry_size; + u64 mem_per_q = div_u64(dev->cmb_size, nr_io_queues); + mem_per_q = round_down(mem_per_q, dev->page_size); + q_depth = div_u64(mem_per_q, entry_size); /* * Ensure the reduced q_depth is above some threshold where it |