db9af8771a6da
author Paul Mundt <lethal@linux-sh.org> 1252394460 +0900
committer Paul Mundt <lethal@linux-sh.org> 1252394460 +0900

sh: Use more aggressive dcache purging in kmap teardown.

This fixes up a number of outstanding issues observed with old mappings
on the same colour hanging around. This requires some more optimal
handling, but is a safe fallback until all of the corner cases have been
handled.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>