From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesper Dangaard Brouer Subject: [net-next PATCH V2] net: increase frag hash size Date: Thu, 25 Apr 2013 21:52:25 +0200 Message-ID: <20130425194850.25609.46664.stgit@dragon> References: <20130424154822.16883.93014.stgit@dragon> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: Jesper Dangaard Brouer , netdev@vger.kernel.org, Eric Dumazet , sergei.shtylyov@cogentembedded.com To: "David S. Miller" , Hannes Frederic Sowa Return-path: Received: from mx1.redhat.com ([209.132.183.28]:28597 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759025Ab3DYTwS (ORCPT ); Thu, 25 Apr 2013 15:52:18 -0400 In-Reply-To: <20130424154822.16883.93014.stgit@dragon> Sender: netdev-owner@vger.kernel.org List-ID: Increase fragmentation hash bucket size to 1024 from old 64 elems. After we increased the frag mem limits commit c2a93660 (net: increase fragment memory usage limits) the hash size of 64 elements is simply too small. Also considering the mem limit is per netns and the hash table is shared for all netns. For the embedded people, note that this increase will change the hash table/array from using approx 1 Kbytes to 16 Kbytes. Signed-off-by: Jesper Dangaard Brouer Acked-by: Hannes Frederic Sowa Acked-by: Eric Dumazet --- V2: - Fix commit message, correct formatted commit IDs - Added prevous acked-by to (hopfully) easy DaveM's work include/net/inet_frag.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h index eb1d6ee..4e15856 100644 --- a/include/net/inet_frag.h +++ b/include/net/inet_frag.h @@ -41,7 +41,7 @@ struct inet_frag_queue { struct netns_frags *net; }; -#define INETFRAGS_HASHSZ 64 +#define INETFRAGS_HASHSZ 1024 struct inet_frag_bucket { struct hlist_head chain;