From: Hsin Chang Yu <zxcvb600870024@gmail.com>
To: akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org, Hsin Chang Yu <zxcvb600870024@gmail.com>
Subject: [PATCH] Fix the example typo
Date: Fri, 28 Jun 2024 22:22:29 +0800 [thread overview]
Message-ID: <20240628142229.69419-1-zxcvb600870024@gmail.com> (raw)
Replace the "Sr" with "sr", the example is wrong if sl and N don't
have child nodes, so sr should be red node.
Signed-off-by: Hsin Chang Yu <zxcvb600870024@gmail.com>
---
lib/rbtree.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/lib/rbtree.c b/lib/rbtree.c
index 5114eda63..989c2d615 100644
--- a/lib/rbtree.c
+++ b/lib/rbtree.c
@@ -297,9 +297,9 @@ ____rb_erase_color(struct rb_node *parent, struct rb_root *root,
* / \ / \
* N S --> N sl
* / \ \
- * sl Sr S
+ * sl sr S
* \
- * Sr
+ * sr
*
* Note: p might be red, and then both
* p and sl are red after rotation(which
@@ -312,9 +312,9 @@ ____rb_erase_color(struct rb_node *parent, struct rb_root *root,
* / \ / \
* N sl --> P S
* \ / \
- * S N Sr
+ * S N sr
* \
- * Sr
+ * sr
*/
tmp1 = tmp2->rb_right;
WRITE_ONCE(sibling->rb_left, tmp1);
--
2.34.1
reply other threads:[~2024-06-28 14:23 UTC|newest]
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