On 7/11/07, Nobin Mathew <[email protected]> wrote:
See this in the documentation
The returned virtual address is a current CPU mapping for the memory
address given. It is only valid to use this function on addresses that
have a kernel mapping
This function does not handle bus mappings for DMA transfers. In
almost all conceivable cases a device driver should not be using this
function
To get a better idea, look here
http://tldp.org/LDP/khg/HyperNews/get/devices/addrxlate.html
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