From 13bfff25c081f4e060af761c4082b5a96f756810 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Wed, 7 Dec 2016 08:29:10 -0800 Subject: net: rfs: add a jump label RFS is not commonly used, so add a jump label to avoid some conditionals in fast path. Signed-off-by: Eric Dumazet Cc: Paolo Abeni Signed-off-by: David S. Miller --- net/core/sysctl_net_core.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'net/core/sysctl_net_core.c') diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c index 0df2aa652530..2a46e4009f62 100644 --- a/net/core/sysctl_net_core.c +++ b/net/core/sysctl_net_core.c @@ -79,10 +79,13 @@ static int rps_sock_flow_sysctl(struct ctl_table *table, int write, if (sock_table != orig_sock_table) { rcu_assign_pointer(rps_sock_flow_table, sock_table); - if (sock_table) + if (sock_table) { static_key_slow_inc(&rps_needed); + static_key_slow_inc(&rfs_needed); + } if (orig_sock_table) { static_key_slow_dec(&rps_needed); + static_key_slow_dec(&rfs_needed); synchronize_rcu(); vfree(orig_sock_table); } -- cgit v1.2.3