diff options
| -rw-r--r-- | drivers/nvme/host/pci.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 9535e35ef18a..1a5ba80f1811 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2172,6 +2172,7 @@ out: static int nvme_alloc_host_mem(struct nvme_dev *dev, u64 min, u64 preferred) { + unsigned long dma_merge_boundary = dma_get_merge_boundary(dev->dev); u64 min_chunk = min_t(u64, preferred, PAGE_SIZE * MAX_ORDER_NR_PAGES); u64 hmminds = max_t(u32, dev->ctrl.hmminds * 4096, PAGE_SIZE * 2); u64 chunk_size; @@ -2180,7 +2181,7 @@ static int nvme_alloc_host_mem(struct nvme_dev *dev, u64 min, u64 preferred) * If there is an IOMMU that can merge pages, try a virtually * non-contiguous allocation for a single segment first. */ - if (!(PAGE_SIZE & dma_get_merge_boundary(dev->dev))) { + if (dma_merge_boundary && (PAGE_SIZE & dma_merge_boundary) == 0) { if (!nvme_alloc_host_mem_single(dev, preferred)) return 0; } |