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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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6
net/key/af_key.c
View file

@ -2398,8 +2398,6 @@ static int pfkey_spddelete(struct sock *sk, struct sk_buff *skb, const struct sa
out:
xfrm_pol_put(xp);
if (err == 0)
xfrm_garbage_collect(net);
return err;
}
@ -2650,8 +2648,6 @@ static int pfkey_spdget(struct sock *sk, struct sk_buff *skb, const struct sadb_
out:
xfrm_pol_put(xp);
if (delete && err == 0)
xfrm_garbage_collect(net);
return err;
}
@ -2751,8 +2747,6 @@ static int pfkey_spdflush(struct sock *sk, struct sk_buff *skb, const struct sad
int err, err2;
err = xfrm_policy_flush(net, XFRM_POLICY_TYPE_MAIN, true);
if (!err)
xfrm_garbage_collect(net);
err2 = unicast_flush_resp(sk, hdr);
if (err || err2) {
if (err == -ESRCH) /* empty table - old silent behavior */