CONFIG_DMA_DIRECT_REMAP 929 drivers/iommu/dma-iommu.c if (IS_ENABLED(CONFIG_DMA_DIRECT_REMAP) && CONFIG_DMA_DIRECT_REMAP 1011 drivers/iommu/dma-iommu.c if (IS_ENABLED(CONFIG_DMA_DIRECT_REMAP) && CONFIG_DMA_DIRECT_REMAP 101 kernel/dma/remap.c #ifdef CONFIG_DMA_DIRECT_REMAP