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Subject[PATCH REPOST] rbtree: include rcu.h because we use it
Date
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.

Cc: David Howells <dhowells@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
include/linux/rbtree_augmented.h | 1 +
include/linux/rbtree_latch.h | 1 +
2 files changed, 2 insertions(+)

--- a/include/linux/rbtree_augmented.h
+++ b/include/linux/rbtree_augmented.h
@@ -26,6 +26,7 @@

#include <linux/compiler.h>
#include <linux/rbtree.h>
+#include <linux/rcupdate.h>

/*
* Please note - only struct rb_augment_callbacks and the prototypes for
--- a/include/linux/rbtree_latch.h
+++ b/include/linux/rbtree_latch.h
@@ -35,6 +35,7 @@

#include <linux/rbtree.h>
#include <linux/seqlock.h>
+#include <linux/rcupdate.h>

struct latch_tree_node {
struct rb_node node[2];
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