Eric Huang
2c6f84b12c
when allocating userptr buffer in system ram with size bigger
than or equal 512G, TTM has limit and returns error, to split one
big buffer into multiple small buffers in vm_object will solve
this issue.
Signed-off-by: Eric Huang <jinhuieric.huang@amd.com>
[ROCm/ROCR-Runtime commit: 8887d25304]