DMA_MEMORY_MAP 23 kernel/dma-coherent.c if ((flags & (DMA_MEMORY_MAP | DMA_MEMORY_IO)) == 0) DMA_MEMORY_MAP 48 kernel/dma-coherent.c if (flags & DMA_MEMORY_MAP) DMA_MEMORY_MAP 49 kernel/dma-coherent.c return DMA_MEMORY_MAP;