debug_dma_sync_single_for_cpu 52 include/linux/dma-debug.h extern void debug_dma_sync_single_for_cpu(struct device *dev, debug_dma_sync_single_for_cpu 390 include/linux/dma-mapping.h debug_dma_sync_single_for_cpu(dev, addr, size, dir); debug_dma_sync_single_for_cpu 1557 kernel/dma/debug.c EXPORT_SYMBOL(debug_dma_sync_single_for_cpu);