diff options
| -rw-r--r-- | arch/arm/mm/dma-mapping.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index bc9cebfa0891..9f996a3d79f7 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -1158,6 +1158,10 @@ static struct page **__iommu_alloc_buffer(struct device *dev, size_t size, return pages; } + /* Go straight to 4K chunks if caller says it's OK. */ + if (dma_get_attr(DMA_ATTR_ALLOC_SINGLE_PAGES, attrs)) + order_idx = ARRAY_SIZE(iommu_order_array) - 1; + /* * IOMMU can map any pages, so himem can also be used here */ |