On Mon, Jan 11, 2021 at 06:05:13PM +0100, Christoph Hellwig wrote: > None of the complicated overlapping regions bits of the kobj_map are > required for the character device lookup, so just a trivial xarray > instead. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> Thanks for doing this! Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>