RE: [PATCH 0/3] staging: comedi: adl_pci9118: redo DMA buffer allocation

2014-09-15 Thread Hartley Sweeten
On Friday, September 12, 2014 2:05 AM, Ian Abbott wrote: > "adl_pci9118" allocates more pages of DMA buffer than it uses, may > allocate half a double-buffer it does not use because it's the "wrong" > half that it managed to allocate (unlikely), and relies on virt_to_bus() > to treat generic

RE: [PATCH 0/3] staging: comedi: adl_pci9118: redo DMA buffer allocation

2014-09-15 Thread Hartley Sweeten
On Friday, September 12, 2014 2:05 AM, Ian Abbott wrote: adl_pci9118 allocates more pages of DMA buffer than it uses, may allocate half a double-buffer it does not use because it's the wrong half that it managed to allocate (unlikely), and relies on virt_to_bus() to treat generic kernel memory