help needed to do mmap

Prabhu nath gprabhunath at gmail.com
Fri Apr 19 02:39:24 EDT 2013


Is this address (0xB202E7000) a memory address or device address ?. R you
working as privileged user or a normal user. ?


On Fri, Apr 19, 2013 at 11:50 AM, er krishna <erkrishna at gmail.com> wrote:

> Hi All,
>
> I am trying to do mmap from user space program to fetch physical memory
> base address B202E7000 and size F0. But I am getting operation not
> permitted error. Any suggestion by which I can increase the privilage by
> sysctl to acess this reason ?
>
> Krishna
>
>
-- 
Regards,
Prabhunath G
Linux Trainer
Bangalore
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