On 2016年09月29日 15:52, Christian König wrote: > - if (count) > + if (count) { > + if (vm->page_directory-shadow) Forget compile fix to amend? Regards, David Zhou > + amdgpu_vm_do_set_ptes(¶ms, last_shadow, last_pt, > + count, incr, AMDGPU_PTE_VALID);