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| author | Eric Dumazet <dada1@cosmosbay.com> | 2008-11-25 21:17:14 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-11-25 21:17:14 -0800 |
| commit | dd24c00191d5e4a1ae896aafe33c6b8095ab4bd1 (patch) | |
| tree | e955c09e0b288e50c706b6ee409229d5a930c80c /net/dccp/dccp.h | |
| parent | 1748376b6626acf59c24e9592ac67b3fe2a0e026 (diff) | |
| download | lwn-dd24c00191d5e4a1ae896aafe33c6b8095ab4bd1.tar.gz lwn-dd24c00191d5e4a1ae896aafe33c6b8095ab4bd1.zip | |
net: Use a percpu_counter for orphan_count
Instead of using one atomic_t per protocol, use a percpu_counter
for "orphan_count", to reduce cache line contention on
heavy duty network servers.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp/dccp.h')
| -rw-r--r-- | net/dccp/dccp.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h index 031ce350d3c1..33a1127270c1 100644 --- a/net/dccp/dccp.h +++ b/net/dccp/dccp.h @@ -49,7 +49,7 @@ extern int dccp_debug; extern struct inet_hashinfo dccp_hashinfo; -extern atomic_t dccp_orphan_count; +extern struct percpu_counter dccp_orphan_count; extern void dccp_time_wait(struct sock *sk, int state, int timeo); |