debug_dma_mapping_error 28 include/linux/dma-debug.h extern void debug_dma_mapping_error(struct device *dev, dma_addr_t dma_addr); debug_dma_mapping_error 438 include/linux/dma-mapping.h debug_dma_mapping_error(dev, dma_addr); debug_dma_mapping_error 1327 kernel/dma/debug.c EXPORT_SYMBOL(debug_dma_mapping_error);