64 	struct drm_i915_gem_object *obj = container_of(mni, struct drm_i915_gem_object, userptr.notifier);  in i915_gem_userptr_invalidate()
104 	return mmu_interval_notifier_insert(&obj->userptr.notifier, current->mm,  in i915_gem_userptr_init__mmu_notifier()
105 					    obj->userptr.ptr, obj->base.size,  in i915_gem_userptr_init__mmu_notifier()
115 	if (!--obj->userptr.page_ref) {  in i915_gem_object_userptr_drop_ref()
116 		pvec = obj->userptr.pvec;  in i915_gem_object_userptr_drop_ref()
117 		obj->userptr.pvec = NULL;  in i915_gem_object_userptr_drop_ref()
119 	GEM_BUG_ON(obj->userptr.page_ref < 0);  in i915_gem_object_userptr_drop_ref()
142 	if (!obj->userptr.page_ref) {  in i915_gem_userptr_get_pages()
147 	obj->userptr.page_ref++;  in i915_gem_userptr_get_pages()
148 	pvec = obj->userptr.pvec;  in i915_gem_userptr_get_pages()
269 	if (obj->userptr.notifier.mm != current->mm)  in i915_gem_object_userptr_submit_init()
272 	notifier_seq = mmu_interval_read_begin(&obj->userptr.notifier);  in i915_gem_object_userptr_submit_init()
278 	if (notifier_seq == obj->userptr.notifier_seq && obj->userptr.pvec) {  in i915_gem_object_userptr_submit_init()
297 		ret = pin_user_pages_fast(obj->userptr.ptr + pinned * PAGE_SIZE,  in i915_gem_object_userptr_submit_init()
311 	if (mmu_interval_read_retry(&obj->userptr.notifier,  in i915_gem_object_userptr_submit_init()
312 		!obj->userptr.page_ref ? notifier_seq :  in i915_gem_object_userptr_submit_init()
313 		obj->userptr.notifier_seq)) {  in i915_gem_object_userptr_submit_init()
318 	if (!obj->userptr.page_ref++) {  in i915_gem_object_userptr_submit_init()
319 		obj->userptr.pvec = pvec;  in i915_gem_object_userptr_submit_init()
320 		obj->userptr.notifier_seq = notifier_seq;  in i915_gem_object_userptr_submit_init()
325 	obj->userptr.page_ref--;  in i915_gem_object_userptr_submit_init()
341 	if (mmu_interval_read_retry(&obj->userptr.notifier,  in i915_gem_object_userptr_submit_done()
342 				    obj->userptr.notifier_seq)) {  in i915_gem_object_userptr_submit_done()
379 	GEM_WARN_ON(obj->userptr.page_ref);  in i915_gem_userptr_release()
381 	mmu_interval_notifier_remove(&obj->userptr.notifier);  in i915_gem_userptr_release()
382 	obj->userptr.notifier.mm = NULL;  in i915_gem_userptr_release()
557 	obj->userptr.ptr = args->user_ptr;  in i915_gem_userptr_ioctl()
558 	obj->userptr.notifier_seq = ULONG_MAX;  in i915_gem_userptr_ioctl()