The boolean flag mm_gk20a.vidmem.cleared is shared across threads, so
mark it volatile to prevent compiler from wrongly optimizing accesses to
it.
Jira DNVGPU-84
Change-Id: I1fe66b26966685d3f74ed95ba53b198f810231b9
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/1233016
(cherry picked from commit dc6c9db56ea8a5f55f28f97fdfc3c1ac60d8b195)
Reviewed-on: http://git-master/r/1235317
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>