1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 0cdab4e0f814..0e6f9c9f2123 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1386,6 +1386,9 @@ struct anon_vma_chain *anon_vma_interval_tree_iter_first(
         struct rb_root *root, unsigned long start, unsigned long last);
 struct anon_vma_chain *anon_vma_interval_tree_iter_next(
         struct anon_vma_chain *node, unsigned long start, unsigned long last);
+#ifdef CONFIG_DEBUG_VM_RB
+void anon_vma_interval_tree_verify(struct anon_vma_chain *node);
+#endif
 
 #define anon_vma_interval_tree_foreach(avc, root, start, last)           \
         for (avc = anon_vma_interval_tree_iter_first(root, start, last); \