The page pinning causes CMA allocation long latency until the process
held the refcont is scheduled in and then released the refcount, which
introduces CMA allocaiton failure.
To overcome the issue, add vendor hooks to migrate the target page of
GUP out of CMA area.
Bug: 218731671
Signed-off-by: Minchan Kim <minchan@google.com>
Change-Id: I5ebf491531d0bfee96ebee83919f22e34ee1d41b