amdgpu_amdkfd_free_gws
void amdgpu_amdkfd_free_gws(struct amdgpu_device *adev, void *mem_obj);
amdgpu_amdkfd_free_gws(node->adev, node->gws);
amdgpu_amdkfd_free_gws(knode->adev, knode->gws);