Geoffrey Espin wrote: > > The Markham board (Korva/VR41xx variant) which I'm trying to get > submitted, has a PCI problem. It doesn't allow a PCI device to > see all the DRAM. DMA-able data must be in a special 4MB range, > which is currently set at 0x01c00000 (the last 4MB of a 32MB > system). SKB's must be allocated within this area for a > (say, Ethernet) PCI device to access. There appears to be no way > to tell kmalloc(), used in alloc_skb(), to allocate memory from > any special address range. > What's wrong with GFP_DMA ? Doesn't it solve exactly this problem ? Regards, Gleb.
