From b1d98815d08cdd82973f88d811923a9c15cb608b Mon Sep 17 00:00:00 2001
From: Cloud Wu <cloudwu@gmail.com>
Date: Tue, 20 Dec 2011 22:09:43 +0800
Subject: [PATCH] init free list tail

---
 buddy.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/buddy.c b/buddy.c
index 6f3c4d0..9e19269 100644
--- a/buddy.c
+++ b/buddy.c
@@ -25,7 +25,7 @@ buddy_new(int level) {
 	for (i=1;i<size * 2 - 2;i++) {
 		self->tree[i].left = i+1;
 	}
-	self->tree[size*2-2].left = 0;
+	self->tree[size*2-2].left = -1;
 
 	self->tree[0].left = self->tree[0].right = 0;
 	return self;