amdgpu_vm_update_stats_locked
amdgpu_vm_update_stats_locked(bo_base, bo->tbo.resource, -1);
amdgpu_vm_update_stats_locked(bo_base, new_mem, +1);
amdgpu_vm_update_stats_locked(base, res, sign);
amdgpu_vm_update_stats_locked(base, bo->tbo.resource, +1);