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 <[email protected]> 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 <[email protected]> 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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