> No actually i don't want that for DMA it is for diffrent requirment.
> actually in our device there is a page table in device which have
> virtual to physical address translation we save virtual address in device
> and corresponding physical address. but we can store only upto 44 bit
> information of virtual address thats why i want that.
Still read Documentation/DMA-mapping.txt
Whether its DMA or not you are going to need to keep the allocations below
44bits and thats what the DMA allocators do
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This archive was generated by hypermail 2b29 : Thu May 23 2002 - 22:00:12 EST