From: Eric Dumazet <edumazet@google.com>
Date: Wed, 22 May 2013 11:10:57 +0000 (+0000)
Subject: netfilter: xt_CT: optimize XT_CT_NOTRACK
X-Git-Tag: v3.11-rc1~16^2~172^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=27e7190efd5b2f728686a8293af6d9bd34c4e562;p=pandora-kernel.git

netfilter: xt_CT: optimize XT_CT_NOTRACK

The percpu untracked ct are not currently used for XT_CT_NOTRACK.

xt_ct_tg_check()/xt_ct_target() provides a single ct.

Thats not optimal as the ct->ct_general.use cache line will bounce among
cpus.

Use the intended [1] thing : xt_ct_target() should select the percpu
object.

[1] Refs :
commit 5bfddbd46a95c97 ("netfilter: nf_conntrack: IPS_UNTRACKED bit")
commit b3c5163fe0193a7 ("netfilter: nf_conntrack: per_cpu untracking")

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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