linux-kernel - [PATCH 1/4] prio_tree: remove unnecessary code in prio_tree

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Message-ID: <4F3A2285.7060700@linux.vnet.ibm.com>
Date:	Tue, 14 Feb 2012 16:59:49 +0800
From:	Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	linux-mm@...ck.org, LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/4] prio_tree: remove unnecessary code in prio_tree_replace

Remove the code since 'node' has already been initialized in the
begin of the function

Signed-off-by: Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>
---
 lib/prio_tree.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/lib/prio_tree.c b/lib/prio_tree.c
index ccfd850..423eba8 100644
--- a/lib/prio_tree.c
+++ b/lib/prio_tree.c
@@ -151,7 +151,6 @@ struct prio_tree_node *prio_tree_replace(struct prio_tree_root *root,
 		 * We can reduce root->index_bits here. However, it is complex
 		 * and does not help much to improve performance (IMO).
 		 */
-		node->parent = node;
 		root->prio_tree_node = node;
 	} else {
 		node->parent = old->parent;
-- 
1.7.7.6

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