flowcache: restore a single flow_cache kmem_cache

It is not legal to create multiple kmem_cache having the same name.

flowcache can use a single kmem_cache, no need for a per netns
one.

Fixes: ca925cf1534e ("flowcache: Make flow cache name space aware")
Reported-by: Jakub Kicinski <moorray3@wp.pl>
Tested-by: Jakub Kicinski <moorray3@wp.pl>
Tested-by: Fan Du <fan.du@windriver.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 1 deletions

diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index 51f0dce7b643..3492434baf88 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -64,7 +64,6 @@ struct netns_xfrm {
 
         /* flow cache part */
         struct flow_cache       flow_cache_global;
-        struct kmem_cache       *flow_cachep;
         atomic_t                flow_cache_genid;
         struct list_head        flow_cache_gc_list;
         spinlock_t              flow_cache_gc_lock;