[NETNS][FRAGS]: Make the LRU list per namespace.

The inet_frags.lru_list is used for evicting only, so we have
to make it per-namespace, to evict only those fragments, who's
namespace exceeded its high threshold, but not the whole hash.
Besides, this helps to avoid long loops  in evictor.

The spinlock is not per-namespace because it protects the
hash table as well, which is global.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index 1917fbeb362b..3695ff4cfe63 100644
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -4,6 +4,7 @@
 struct netns_frags {
         int                     nqueues;
         atomic_t                mem;
+        struct list_head        lru_list;
 
         /* sysctls */
         int                     timeout;
@@ -32,7 +33,6 @@ struct inet_frag_queue {
 #define INETFRAGS_HASHSZ                64
 
 struct inet_frags {
-        struct list_head        lru_list;
         struct hlist_head       hash[INETFRAGS_HASHSZ];
         rwlock_t                lock;
         u32                     rnd;