tree 9aca0e26cfa96e18e1d353777349ee30cc25718d
parent 475c32d0a1b836fc3798ea96cc334a4bfffec2cf
author Max Filippov <jcmvbkbc@gmail.com> 1356143704 +0400
committer Chris Zankel <chris@zankel.net> 1361675573 -0800

xtensa: avoid mmap cache aliasing

Provide arch_get_unmapped_area function aligning shared memory mapping
addresses to the biggest of the page size or the cache way size. That
guarantees that corresponding virtual addresses of shared mappings are
cached by the same cache sets.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>