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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 <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Westphal
2017-07-17 13:57:26 +02:00
committed by David S. Miller
parent bd45c539bf
commit 09c7570480
13 changed files with 2 additions and 734 deletions
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8
include/net/xfrm.h
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@@ -563,7 +563,6 @@ struct xfrm_policy {
refcount_t refcnt;
struct timer_list timer;
struct flow_cache_object flo;
atomic_t genid;
u32 priority;
u32 index;
@@ -978,7 +977,6 @@ struct xfrm_dst {
struct rt6_info rt6;
} u;
struct dst_entry *route;
struct flow_cache_object flo;
struct xfrm_policy *pols[XFRM_POLICY_TYPE_MAX];
int num_pols, num_xfrms;
u32 xfrm_genid;
@@ -1226,9 +1224,6 @@ static inline void xfrm_sk_free_policy(struct sock *sk)
}
}
void xfrm_garbage_collect(struct net *net);
void xfrm_garbage_collect_deferred(struct net *net);
#else
static inline void xfrm_sk_free_policy(struct sock *sk) {}
@@ -1263,9 +1258,6 @@ static inline int xfrm6_policy_check_reverse(struct sock *sk, int dir,
{
return 1;
}
static inline void xfrm_garbage_collect(struct net *net)
{
}
#endif
static __inline__