b1a482dd52
1. Initialize pointers to NULL in vm_create_and_init_object
2. Added helper function to add/remove device ids to/from mapped arrary
3. Only map nodes that were not mapped currently
4. Remove unnecessary condition check on object frees
Change-Id: I7aed6d40c7464be0d168d5796229af55451e0f34
Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
[ROCm/ROCR-Runtime commit: b4c89c1ea7]