tree 865bb13abd9af7dd4727f28f4abcd4299c501321
parent 3f5ab768164df9a44721660b96e0accb92eb2c24
author Matt Fleming <matt@console-pimps.org> 1261693055 +0000
committer Matt Fleming <matt@console-pimps.org> 1262393512 +0000

sh: Optimise flush_dcache_page() on SH4

If the page is not mapped into any process's address space then aliases
cannot exist in the cache. So reduce the amount of flushing we perform.

Signed-off-by: Matt Fleming <matt@console-pimps.org>