igmp: hash a hash table to speedup ip_check_mc_rcu()

[deliverable/linux.git] / include / linux / igmp.h

diff --git a/include/linux/igmp.h b/include/linux/igmp.h
index 7f2bf15184802b12733489b36755fce4e9c2caf4..e3362b5f13e8258857f50a64e73fe3e70f9039f3 100644 (file)
--- a/include/linux/igmp.h
+++ b/include/linux/igmp.h
@@ -84,6 +84,7 @@ struct ip_mc_list {
                struct ip_mc_list *next;
                struct ip_mc_list __rcu *next_rcu;
        };
+       struct ip_mc_list __rcu *next_hash;
        struct timer_list       timer;
        int                     users;
        atomic_t                refcnt;