122 	watch->node = path;  in xenbus_watch_path()
128 		watch->node = NULL;  in xenbus_watch_path()
546 	struct xenbus_map_node *node;  in xenbus_map_ring_valloc_pv()  local
559 	node = kzalloc(sizeof(*node), GFP_KERNEL);  in xenbus_map_ring_valloc_pv()
560 	if (!node)  in xenbus_map_ring_valloc_pv()
565 		kfree(node);  in xenbus_map_ring_valloc_pv()
572 	err = __xenbus_map_ring(dev, gnt_refs, nr_grefs, node->handles,  in xenbus_map_ring_valloc_pv()
579 	node->nr_handles = nr_grefs;  in xenbus_map_ring_valloc_pv()
580 	node->pv.area = area;  in xenbus_map_ring_valloc_pv()
583 	list_add(&node->next, &xenbus_valloc_pages);  in xenbus_map_ring_valloc_pv()
595 	kfree(node);  in xenbus_map_ring_valloc_pv()
627 	struct xenbus_map_node *node;  in xenbus_map_ring_valloc_hvm()  local
641 	node = kzalloc(sizeof(*node), GFP_KERNEL);  in xenbus_map_ring_valloc_hvm()
642 	if (!node)  in xenbus_map_ring_valloc_hvm()
645 	err = alloc_xenballooned_pages(nr_pages, node->hvm.pages);  in xenbus_map_ring_valloc_hvm()
649 	gnttab_foreach_grant(node->hvm.pages, nr_grefs,  in xenbus_map_ring_valloc_hvm()
653 	err = __xenbus_map_ring(dev, gnt_ref, nr_grefs, node->handles,  in xenbus_map_ring_valloc_hvm()
655 	node->nr_handles = nr_grefs;  in xenbus_map_ring_valloc_hvm()
660 	addr = vmap(node->hvm.pages, nr_pages, VM_MAP | VM_IOREMAP,  in xenbus_map_ring_valloc_hvm()
667 	node->hvm.addr = addr;  in xenbus_map_ring_valloc_hvm()
670 	list_add(&node->next, &xenbus_valloc_pages);  in xenbus_map_ring_valloc_hvm()
678 		xenbus_unmap_ring(dev, node->handles, nr_grefs, info.addrs);  in xenbus_map_ring_valloc_hvm()
684 		free_xenballooned_pages(nr_pages, node->hvm.pages);  in xenbus_map_ring_valloc_hvm()
686 	kfree(node);  in xenbus_map_ring_valloc_hvm()
749 	struct xenbus_map_node *node;  in xenbus_unmap_ring_vfree_pv()  local
757 	list_for_each_entry(node, &xenbus_valloc_pages, next) {  in xenbus_unmap_ring_vfree_pv()
758 		if (node->pv.area->addr == vaddr) {  in xenbus_unmap_ring_vfree_pv()
759 			list_del(&node->next);  in xenbus_unmap_ring_vfree_pv()
763 	node = NULL;  in xenbus_unmap_ring_vfree_pv()
767 	if (!node) {  in xenbus_unmap_ring_vfree_pv()
773 	for (i = 0; i < node->nr_handles; i++) {  in xenbus_unmap_ring_vfree_pv()
781 		unmap[i].handle = node->handles[i];  in xenbus_unmap_ring_vfree_pv()
789 	for (i = 0; i < node->nr_handles; i++) {  in xenbus_unmap_ring_vfree_pv()
794 					 node->handles[i], unmap[i].status);  in xenbus_unmap_ring_vfree_pv()
801 		free_vm_area(node->pv.area);  in xenbus_unmap_ring_vfree_pv()
804 			 node->pv.area, node->nr_handles);  in xenbus_unmap_ring_vfree_pv()
806 	kfree(node);  in xenbus_unmap_ring_vfree_pv()
831 	struct xenbus_map_node *node;  in xenbus_unmap_ring_vfree_hvm()  local
839 	list_for_each_entry(node, &xenbus_valloc_pages, next) {  in xenbus_unmap_ring_vfree_hvm()
840 		addr = node->hvm.addr;  in xenbus_unmap_ring_vfree_hvm()
842 			list_del(&node->next);  in xenbus_unmap_ring_vfree_hvm()
846 	node = addr = NULL;  in xenbus_unmap_ring_vfree_hvm()
850 	if (!node) {  in xenbus_unmap_ring_vfree_hvm()
856 	nr_pages = XENBUS_PAGES(node->nr_handles);  in xenbus_unmap_ring_vfree_hvm()
858 	gnttab_foreach_grant(node->hvm.pages, node->nr_handles,  in xenbus_unmap_ring_vfree_hvm()
862 	rv = xenbus_unmap_ring(dev, node->handles, node->nr_handles,  in xenbus_unmap_ring_vfree_hvm()
866 		free_xenballooned_pages(nr_pages, node->hvm.pages);  in xenbus_unmap_ring_vfree_hvm()
871 	kfree(node);  in xenbus_unmap_ring_vfree_hvm()