Messages in this thread | | | Subject | Re: Question on memory mapping | Date | Mon, 7 Feb 2000 22:32:01 +0000 (GMT) | From | Alan Cox <> |
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> Ultimately what I want to achieve is I want to map the user allocated > memory to the kernel (sort of reverse operation done by mmap). So, after > getting the physical address, will allocating a virtual page and mapping > that virtual page to the physical page of the user address do the job? If > not, how should I do the mapping?
By mmapping kerne memory into user space. Or with 2.3.x the kiovec stuff provides the basis of what you need.
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