c991951288
Unless HSA_USERPTR_FOR_PAGED_MEM is explicitly set, don't use userptr for all paged memory. This will also allow us to work around some 4.9 issues, and then we can explicitly set HSA_USERPTR_FOR_PAGED_MEM for all usage once those issues are resolved. Change-Id: I25ce22b73ae6e93f1567f2318d9d2b47d4a44e69