diff options
| author |   Eric Dumazet <edumazet@google.com> | 2016-12-07 08:29:10 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-12-08 13:18:35 -0500 |
| commit | 13bfff25c081f4e060af761c4082b5a96f756810 (patch) | |
| tree | 2c170254731c68a46814d0d1bf296915709afcdf /net/core/sysctl_net_core.c | |
| parent | macsec: remove first zero and add attribute name in comments (diff) | |
| download | linux-dev-13bfff25c081f4e060af761c4082b5a96f756810.tar.xz linux-dev-13bfff25c081f4e060af761c4082b5a96f756810.zip | |
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 <edumazet@google.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/sysctl_net_core.c')
| -rw-r--r-- | net/core/sysctl_net_core.c | 5 |
1 files changed, 4 insertions, 1 deletions
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); } |