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| author | Zhu Yanjun <yanjun.zhu@oracle.com> | 2018-09-16 22:49:30 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-09-17 08:19:51 -0700 |
| commit | 1635bb548f846804af3054872fbd1395783ac03e (patch) | |
| tree | 06a5926a65d91b8f0a2a4eef0d621f229ae47d64 /net/rds | |
| parent | 0185e2e69f8e640defb77380b6b0d054c2ec12e4 (diff) | |
| download | linux-1635bb548f846804af3054872fbd1395783ac03e.tar.gz linux-1635bb548f846804af3054872fbd1395783ac03e.tar.bz2 linux-1635bb548f846804af3054872fbd1395783ac03e.zip | |
net: rds: use memset to optimize the recv
The function rds_inc_init is in recv process. To use memset can optimize
the function rds_inc_init.
The test result:
Before:
1) + 24.950 us | rds_inc_init [rds]();
After:
1) + 10.990 us | rds_inc_init [rds]();
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/rds')
| -rw-r--r-- | net/rds/recv.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/net/rds/recv.c b/net/rds/recv.c index 12719653188a..727639dac8a7 100644 --- a/net/rds/recv.c +++ b/net/rds/recv.c @@ -43,8 +43,6 @@ void rds_inc_init(struct rds_incoming *inc, struct rds_connection *conn, struct in6_addr *saddr) { - int i; - refcount_set(&inc->i_refcount, 1); INIT_LIST_HEAD(&inc->i_item); inc->i_conn = conn; @@ -52,8 +50,7 @@ void rds_inc_init(struct rds_incoming *inc, struct rds_connection *conn, inc->i_rdma_cookie = 0; inc->i_rx_tstamp = ktime_set(0, 0); - for (i = 0; i < RDS_RX_MAX_TRACES; i++) - inc->i_rx_lat_trace[i] = 0; + memset(inc->i_rx_lat_trace, 0, sizeof(inc->i_rx_lat_trace)); } EXPORT_SYMBOL_GPL(rds_inc_init); |