netdev - [PATCH 2.6.25] [IPV4] Thresholds in fib_trie.c are used as consts, so make them const.

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Date:	Thu, 13 Dec 2007 11:06:18 +0300
From:	"Denis V. Lunev" <den@...nvz.org>
To:	davem@...emloft.net
Cc:	containers@...ts.osdl.org, devel@...nvz.org, netdev@...r.kernel.org
Subject: [PATCH 2.6.25] [IPV4] Thresholds in fib_trie.c are used as consts,
	so make them const.

[IPV4] Thresholds in fib_trie.c are used as consts, so make them const.

There are several thresholds for trie fib hash management. They are used
in the code as a constants. Make them constants from the compiler point of
view.

Signed-off-by: Denis V. Lunev <den@...nvz.org>
---
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -299,10 +299,10 @@ static inline void check_tnode(const struct tnode *tn)
 	WARN_ON(tn && tn->pos+tn->bits > 32);
 }
 
-static int halve_threshold = 25;
-static int inflate_threshold = 50;
-static int halve_threshold_root = 8;
-static int inflate_threshold_root = 15;
+static const int halve_threshold = 25;
+static const int inflate_threshold = 50;
+static const int halve_threshold_root = 8;
+static const int inflate_threshold_root = 15;
 
 
 static void __alias_free_mem(struct rcu_head *head)
--
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