diff options
| -rw-r--r-- | arch/x86/kernel/pci-nommu.c | 3 | ||||
| -rw-r--r-- | include/asm-x86/dma-mapping.h | 2 |
2 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kernel/pci-nommu.c b/arch/x86/kernel/pci-nommu.c index 0f51883..ada1c87 100644 --- a/arch/x86/kernel/pci-nommu.c +++ b/arch/x86/kernel/pci-nommu.c @@ -80,7 +80,6 @@ nommu_alloc_coherent(struct device *hwdev, size_t size, int node; struct page *page; - gfp &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32); gfp |= __GFP_ZERO; dma_mask = hwdev->coherent_dma_mask; @@ -93,7 +92,7 @@ nommu_alloc_coherent(struct device *hwdev, size_t size, node = dev_to_node(hwdev); #ifdef CONFIG_X86_64 - if (dma_mask <= DMA_32BIT_MASK) + if (dma_mask <= DMA_32BIT_MASK && !(gfp & GFP_DMA)) gfp |= GFP_DMA32; #endif diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h index 088c568..ad8b490 100644 --- a/include/asm-x86/dma-mapping.h +++ b/include/asm-x86/dma-mapping.h @@ -246,6 +246,8 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, struct dma_mapping_ops *ops = get_dma_ops(dev); void *memory; + gfp &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32); + if (dma_alloc_from_coherent(dev, size, dma_handle, &memory)) return memory; |