linux-kernel - [PATCH v2] IPVS: logging sizeof(struct ip_vs

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Message-ID: <20090727131357.9561.39720.stgit@jazzy.zrh.corp.google.com>
Date:	Mon, 27 Jul 2009 15:13:57 +0200
From:	Hannes Eder <heder@...gle.com>
To:	netdev@...r.kernel.org
Cc:	Simon Horman <horms@...ge.net.au>
Subject: [PATCH v2] IPVS: logging sizeof(struct ip_vs_conn) on startup

No more guessing, how much memory used by IPVS for a connection.

[ The number printed is a lower bound, as ip_vs_conn_cache uses
SLAB_HWCACHE_ALIGN. ]

Signed-off-by: Hannes Eder <heder@...gle.com>
Signed-off-by: Simon Horman <horms@...ge.net.au>

 net/netfilter/ipvs/ip_vs_core.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index b021464..b6bb4a0 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1475,7 +1475,8 @@ static int __init ip_vs_init(void)
 		goto cleanup_conn;
 	}
 
-	IP_VS_INFO("ipvs loaded.\n");
+	IP_VS_INFO("ipvs loaded (using at least %Zd bytes/connection).\n",
+	       sizeof(struct ip_vs_conn));
 	return ret;
 
   cleanup_conn:

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