Re: PATCH: Fix offset of mmap

[James Simmons <jsimmons@transvirtual.com>]

> > I believe this would break certain pieces of hardware. For example the
> > mq200 framebuffer in the sigmarion is not paged aligned. You have to
> > supply a offset to make it work.
> 
> How do you mmap a memory whose offset is not page aligned? The code
> here is
> 
> return do_mmap2(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
>                                           ^^^^^^^^^^^^^^^^^^^^
> 
> It is up to the user code to make sure everything is ok.

Sorry. Mix up in the meaning of offset.