From: Sebastian Andrzej Siewior Date: Wed, 14 Sep 2016 11:52:17 +0200 Subject: rbtree: include rcu.h because we use it Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.8/older/patches-4.8.14-rt9.tar.xz Since commit c1adf20052d8 ("Introduce rb_replace_node_rcu()") rbtree_augmented.h uses RCU related data structures but does not include them. It works as long as gets somehow included before that and fails otherwise. Signed-off-by: Sebastian Andrzej Siewior --- include/linux/rbtree_augmented.h | 1 + 1 file changed, 1 insertion(+) --- a/include/linux/rbtree_augmented.h +++ b/include/linux/rbtree_augmented.h @@ -26,6 +26,7 @@ #include #include +#include /* * Please note - only struct rb_augment_callbacks and the prototypes for