+static void show_purge_info(struct seq_file *m)
+{
+ struct llist_node *head;
+ struct vmap_area *va;
+
+ head = READ_ONCE(vmap_purge_list.first);
+ if (head == NULL)
+ return;
+
+ llist_for_each_entry(va, head, purge_list) {
+ seq_printf(m, "0x%pK-0x%pK %7ld unpurged vm_area\n",
+ (void *)va->va_start, (void *)va->va_end,
+ va->va_end - va->va_start);
+ }
+}
+