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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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11
include/net/netns/xfrm.h
View file

@ -6,7 +6,6 @@
#include <linux/workqueue.h>
#include <linux/xfrm.h>
#include <net/dst_ops.h>
#include <net/flowcache.h>
struct ctl_table_header;
@ -73,16 +72,6 @@ struct netns_xfrm {
spinlock_t xfrm_state_lock;
spinlock_t xfrm_policy_lock;
struct mutex xfrm_cfg_mutex;
/* flow cache part */
struct flow_cache flow_cache_global;
atomic_t flow_cache_genid;
struct list_head flow_cache_gc_list;
atomic_t flow_cache_gc_count;
spinlock_t flow_cache_gc_lock;
struct work_struct flow_cache_gc_work;
struct work_struct flow_cache_flush_work;
struct mutex flow_flush_sem;
};
#endif