help needed to do mmap

[er krishna]

Root user and trying to acess physical ram reason. I wanted to know is
there any limit for mmap through use space and how to override them.

Krish


On Fri, Apr 19, 2013 at 12:09 PM, Prabhu nath <gprabhunath at gmail.com> wrote:

> 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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