i915_gem_evict_vm
err = i915_gem_evict_vm(eb->context->vm, &eb->ww, NULL);
err = i915_gem_evict_vm(eb->context->vm, &eb->ww, &busy_bo);
ret = i915_gem_evict_vm(&ggtt->vm, &ww, NULL);
int i915_gem_evict_vm(struct i915_address_space *vm,
TRACE_EVENT(i915_gem_evict_vm,
i915_gem_evict_vm(vm, NULL, NULL);
err = i915_gem_evict_vm(&ggtt->vm, NULL, NULL);
err = i915_gem_evict_vm(&ggtt->vm, &ww, NULL);