Hi Daniel,
Daniel Glöckner wrote:
I've been asking about the remap_pfn_range behavior some time ago on
this list but got no reply...
IMHO remap_pfn_range on nommu is broken and does not serve the same
function as on mmu.
For now, I've found a simple workaround by changing remap_pfn_range in
mm/nommu.c from
vma->vm_start = vma->vm_pgoff << PAGE_SHIFT;
to
vma->vm_start += vma->vm_pgoff << PAGE_SHIFT;
This takes care of the wrongly changing vm_start, but I have not tested
it with mmap-ing from a non-zero offset. To be continued...
HTH,
Ithamar Adema
http://www.team-embedded.nl
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