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xfrm: remove flow cache

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After rcu conversions performance degradation in forward tests isn't that
noticeable anymore.

See next patch for some numbers.

A followup patcg could then also remove genid from the policies
as we do not cache bundles anymore.

Signed-off-by: Florian Westphal <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Florian Westphal 2017-07-17 13:57:26 +02:00 • committed by David S. Miller
commit 09c7570480
13 changed files with 2 additions and 734 deletions
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4
security/selinux/include/xfrm.h
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@ -47,10 +47,8 @@ static inline void selinux_xfrm_notify_policyload(void)
struct net *net;
rtnl_lock();
for_each_net(net) {
atomic_inc(&net->xfrm.flow_cache_genid);
for_each_net(net)
rt_genid_bump_all(net);
}
rtnl_unlock();
}
#else