117 	watch->node = path;  in xenbus_watch_path()
123 		watch->node = NULL;  in xenbus_watch_path()
541 	struct xenbus_map_node *node;  in xenbus_map_ring_valloc_pv()  local
554 	node = kzalloc(sizeof(*node), GFP_KERNEL);  in xenbus_map_ring_valloc_pv()
555 	if (!node)  in xenbus_map_ring_valloc_pv()
560 		kfree(node);  in xenbus_map_ring_valloc_pv()
567 	err = __xenbus_map_ring(dev, gnt_refs, nr_grefs, node->handles,  in xenbus_map_ring_valloc_pv()
574 	node->nr_handles = nr_grefs;  in xenbus_map_ring_valloc_pv()
575 	node->pv.area = area;  in xenbus_map_ring_valloc_pv()
578 	list_add(&node->next, &xenbus_valloc_pages);  in xenbus_map_ring_valloc_pv()
590 	kfree(node);  in xenbus_map_ring_valloc_pv()
599 	struct xenbus_map_node *node;  in xenbus_map_ring_valloc_hvm()  local
613 	node = kzalloc(sizeof(*node), GFP_KERNEL);  in xenbus_map_ring_valloc_hvm()
614 	if (!node)  in xenbus_map_ring_valloc_hvm()
617 	err = alloc_xenballooned_pages(nr_grefs, node->hvm.pages,  in xenbus_map_ring_valloc_hvm()
623 		unsigned long pfn = page_to_pfn(node->hvm.pages[i]);  in xenbus_map_ring_valloc_hvm()
628 	err = __xenbus_map_ring(dev, gnt_ref, nr_grefs, node->handles,  in xenbus_map_ring_valloc_hvm()
630 	node->nr_handles = nr_grefs;  in xenbus_map_ring_valloc_hvm()
635 	addr = vmap(node->hvm.pages, nr_grefs, VM_MAP | VM_IOREMAP,  in xenbus_map_ring_valloc_hvm()
642 	node->hvm.addr = addr;  in xenbus_map_ring_valloc_hvm()
645 	list_add(&node->next, &xenbus_valloc_pages);  in xenbus_map_ring_valloc_hvm()
653 		xenbus_unmap_ring(dev, node->handles, node->nr_handles,  in xenbus_map_ring_valloc_hvm()
660 		free_xenballooned_pages(nr_grefs, node->hvm.pages);  in xenbus_map_ring_valloc_hvm()
662 	kfree(node);  in xenbus_map_ring_valloc_hvm()
725 	struct xenbus_map_node *node;  in xenbus_unmap_ring_vfree_pv()  local
733 	list_for_each_entry(node, &xenbus_valloc_pages, next) {  in xenbus_unmap_ring_vfree_pv()
734 		if (node->pv.area->addr == vaddr) {  in xenbus_unmap_ring_vfree_pv()
735 			list_del(&node->next);  in xenbus_unmap_ring_vfree_pv()
739 	node = NULL;  in xenbus_unmap_ring_vfree_pv()
743 	if (!node) {  in xenbus_unmap_ring_vfree_pv()
749 	for (i = 0; i < node->nr_handles; i++) {  in xenbus_unmap_ring_vfree_pv()
757 		unmap[i].handle = node->handles[i];  in xenbus_unmap_ring_vfree_pv()
765 	for (i = 0; i < node->nr_handles; i++) {  in xenbus_unmap_ring_vfree_pv()
770 					 node->handles[i], unmap[i].status);  in xenbus_unmap_ring_vfree_pv()
777 		free_vm_area(node->pv.area);  in xenbus_unmap_ring_vfree_pv()
780 			 node->pv.area, node->nr_handles);  in xenbus_unmap_ring_vfree_pv()
782 	kfree(node);  in xenbus_unmap_ring_vfree_pv()
789 	struct xenbus_map_node *node;  in xenbus_unmap_ring_vfree_hvm()  local
795 	list_for_each_entry(node, &xenbus_valloc_pages, next) {  in xenbus_unmap_ring_vfree_hvm()
796 		addr = node->hvm.addr;  in xenbus_unmap_ring_vfree_hvm()
798 			list_del(&node->next);  in xenbus_unmap_ring_vfree_hvm()
802 	node = addr = NULL;  in xenbus_unmap_ring_vfree_hvm()
806 	if (!node) {  in xenbus_unmap_ring_vfree_hvm()
812 	for (i = 0; i < node->nr_handles; i++)  in xenbus_unmap_ring_vfree_hvm()
813 		addrs[i] = (unsigned long)pfn_to_kaddr(page_to_pfn(node->hvm.pages[i]));  in xenbus_unmap_ring_vfree_hvm()
815 	rv = xenbus_unmap_ring(dev, node->handles, node->nr_handles,  in xenbus_unmap_ring_vfree_hvm()
819 		free_xenballooned_pages(node->nr_handles, node->hvm.pages);  in xenbus_unmap_ring_vfree_hvm()
823 		     node->nr_handles);  in xenbus_unmap_ring_vfree_hvm()
825 	kfree(node);  in xenbus_unmap_ring_vfree_hvm()