From: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Subject: rbtree: include rcu.h
Since c1adf20052d8 ("Introduce rb_replace_node_rcu()") rbtree_augmented.h
uses RCU related data structures but does not include the header file. It
works as long as it gets somehow included before that and fails otherwise.
Link: http://lkml.kernel.org/r/20180504103159.19938-1-bigeasy@xxxxxxxxxxxxx
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: David Howells <dhowells@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/rbtree_augmented.h | 1 +
include/linux/rbtree_latch.h | 1 +
2 files changed, 2 insertions(+)
diff -puN include/linux/rbtree_augmented.h~rbtree-include-rcuh-because-we-use-it include/linux/rbtree_augmented.h
--- a/include/linux/rbtree_augmented.h~rbtree-include-rcuh-because-we-use-it
+++ a/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
diff -puN include/linux/rbtree_latch.h~rbtree-include-rcuh-because-we-use-it include/linux/rbtree_latch.h
--- a/include/linux/rbtree_latch.h~rbtree-include-rcuh-because-we-use-it
+++ a/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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