From: Wei Yang <weiy...@linux.vnet.ibm.com>
In case 1, it passes down the BLACK color from G to p and u, and maintains
the color of n. By doing so, it maintains the black height of the sub-tree.
While in the comment, it marks the color of n to BLACK. This is a typo
and not consistents with the code.
This patch fixs this typo in comment.
Signed-off-by: Wei Yang <weiy...@linux.vnet.ibm.com>
Acked-by: Michel Lespinasse <wal...@google.com>
Cc: Xiao Guangrong <xiaoguangr...@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <a...@linux-foundation.org>
Signed-off-by: Linus Torvalds <torva...@linux-foundation.org>
[Linux commit 1b9c53e849aa65776d4f611d99aa09f856518dad]
Ported to Xen for rb_insert_color API.
Signed-off-by: Praveen Kumar <kpraveen.l...@gmail.com>
---
xen/common/rbtree.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xen/common/rbtree.c b/xen/common/rbtree.c
index 8e1dd2c56e..7147481480 100644
--- a/xen/common/rbtree.c
+++ b/xen/common/rbtree.c
@@ -135,7 +135,7 @@ void rb_insert_color(struct rb_node *node, struct rb_root
*root)
* / \ / \
* p u --> P U
* / /
- * n N
+ * n n
*
* However, since g's parent might be red, and
* 4) does not allow this, we need to recurse
--
2.12.0
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