search for: io_subchannel

...ut for > > CCW we should use the device we have. Yes, this way we waste some memory > > but all dma memory a device uses should fit in a page - so the wastage > > is not too much. > > > > Is what you envision an own gen_pool on for each subchannel (e.g. a > struct io_subchannel member)? Either that or if that's too much overhead simply map a page and create a struct containing the few dma areas for that device. > I'm struggling with understanding the expected benefits of a > per-subchannel pool/allocator. Can you please tell me what benefits do > you ex...