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authorcodeworkx <daniel.hillenbrand@codeworkx.de>2012-06-02 13:09:29 +0200
committercodeworkx <daniel.hillenbrand@codeworkx.de>2012-06-02 13:09:29 +0200
commitc6da2cfeb05178a11c6d062a06f8078150ee492f (patch)
treef3b4021d252c52d6463a9b3c1bb7245e399b009c /include/linux/rbtree.h
parentc6d7c4dbff353eac7919342ae6b3299a378160a6 (diff)
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samsung update 1
Diffstat (limited to 'include/linux/rbtree.h')
-rw-r--r--include/linux/rbtree.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/rbtree.h b/include/linux/rbtree.h
index 033b507..fcda1b2 100644
--- a/include/linux/rbtree.h
+++ b/include/linux/rbtree.h
@@ -130,6 +130,17 @@ static inline void rb_set_color(struct rb_node *rb, int color)
}
#define RB_ROOT (struct rb_root) { NULL, }
+
+static inline void rb_root_init(struct rb_root *root, struct rb_node *node)
+{
+ root->rb_node = node;
+ if (node) {
+ node->rb_parent_color = RB_BLACK; /* black, no parent */
+ node->rb_left = NULL;
+ node->rb_right = NULL;
+ }
+}
+
#define rb_entry(ptr, type, member) container_of(ptr, type, member)
#define RB_EMPTY_ROOT(root) ((root)->rb_node == NULL)