DMA_MODE_ON_DEMAND 171 uspace/drv/audio/sb16/dsp.c DMA_MODE_READ | DMA_MODE_AUTO | DMA_MODE_ON_DEMAND); DMA_MODE_ON_DEMAND 755 uspace/drv/block/pc-floppy/pc-floppy.c DMA_MODE_ON_DEMAND); DMA_MODE_ON_DEMAND 831 uspace/drv/block/pc-floppy/pc-floppy.c DMA_MODE_ON_DEMAND);HelenOS homepage, sources at GitHub