diff options
| author | Eric Dumazet <dada1@cosmosbay.com> | 2007-03-27 13:58:31 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:28:19 -0700 |
| commit | 4103f8cd5c1f260d674a7b426ed221812de54d47 (patch) | |
| tree | 28649757907dd77b53a8c16533c963c43fea4be0 /net/ipv4/protocol.c | |
| parent | 73417f617a93cf30342c3ea41abc38927bd467aa (diff) | |
[TCP]: tcp_memory_pressure and tcp_socket are__read_mostly candidates
tcp_memory_pressure and tcp_socket currently share a cache line with tcp_memory_allocated, tcp_sockets_allocated.
(Very hot cache line)
It makes sense to declare these variables as __read_mostly, to avoid false sharing on SMP.
ffffffff8081d9c0 B tcp_orphan_count
ffffffff8081d9c4 B tcp_memory_allocated
ffffffff8081d9c8 B tcp_sockets_allocated
ffffffff8081d9cc B tcp_memory_pressure
ffffffff8081d9d0 b tcp_md5sig_users
ffffffff8081d9d8 b tcp_md5sig_pool
ffffffff8081d9e0 b warntime.31570
ffffffff8081d9e8 b tcp_socket
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/protocol.c')
0 files changed, 0 insertions, 0 deletions