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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: kaber@trash.net
Cc: netfilter-devel@vger.kernel.org
Subject: [PATCH 3/3] netfilter: nft_hash: use set->maxelems to calculate number of buckets
Date: Sun,  5 Jan 2014 22:18:48 +0100	[thread overview]
Message-ID: <1388956728-6754-4-git-send-email-pablo@netfilter.org> (raw)
In-Reply-To: <1388956728-6754-1-git-send-email-pablo@netfilter.org>

Use set->maxelems to calculate the number of buckets that holds a
load factor of 0.75.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/netfilter/nft_hash.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/net/netfilter/nft_hash.c b/net/netfilter/nft_hash.c
index f640c1c..99e4742 100644
--- a/net/netfilter/nft_hash.c
+++ b/net/netfilter/nft_hash.c
@@ -169,9 +169,7 @@ static int nft_hash_init(const struct nft_set *set,
 	}
 
 	/* Aim for a load factor of 0.75 */
-	// FIXME: temporarily broken until we have set descriptions
-	cnt = 100;
-	cnt = cnt * 4 / 3;
+	cnt = set->maxelems * 4 / 3;
 
 	priv->hash = kcalloc(cnt, sizeof(struct hlist_head), GFP_KERNEL);
 	if (priv->hash == NULL)
-- 
1.7.10.4


  parent reply	other threads:[~2014-01-05 21:19 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-05 21:18 [PATCH 0/3 nftables RFC] set infrastructure updates Pablo Neira Ayuso
2014-01-05 21:18 ` [PATCH 1/3] netfilter: nf_tables: fix suboptimal set selection Pablo Neira Ayuso
2014-01-05 21:28   ` Patrick McHardy
2014-01-05 21:34     ` Pablo Neira Ayuso
2014-01-05 21:45       ` Patrick McHardy
2014-01-05 22:11         ` Pablo Neira Ayuso
2014-01-05 22:21           ` Patrick McHardy
2014-01-05 21:18 ` [PATCH 2/3] netfilter: nf_tables: limit maximum number of elements Pablo Neira Ayuso
2014-01-05 21:51   ` Patrick McHardy
2014-01-05 22:14     ` Pablo Neira Ayuso
2014-01-05 22:15       ` Pablo Neira Ayuso
2014-01-05 22:25       ` Patrick McHardy
2014-01-05 21:18 ` Pablo Neira Ayuso [this message]
2014-01-05 21:47   ` [PATCH 3/3] netfilter: nft_hash: use set->maxelems to calculate number of buckets Patrick McHardy
2014-01-05 22:12     ` Pablo Neira Ayuso

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