> Given there is no use case for the residue value returned by > copy_mc_to_kernel() perhaps just return EHWPOISON directly from > copyuser_highpage_mc() in the short-copy case?
I don't think it hurts to keep the return value as residue count. It isn't making that code any more complex and could be useful someday. Other feedback looks good and I have applied ready for next version. Thanks for the review. -Tony
