> You may want to take a look at this page,
>
> http://www.scs.ch/~frey/linux/memorymap.html
>
> This also contains a sample source code, here,
> http://www.scs.ch/~frey/linux/mmap.example.tar
> I tried this code on ARM architecture on a swapless board which works
> fine.
>
> If you could share exact code, that would be easy to debug the problem
> you are facing.
Oh, solved!! \o/
Don't know why, but it didn't take correctly PROT_NONE flag on (userspace)
mmap.
with:
mmapped_ptr = mmap(NULL,SIZE,PROT_READ, MAP_SHARED ,fd,0);
( or PROT_WRITE, or both) it works.
thanks.
--
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