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| author | Andy Grover <andy.grover@oracle.com> | 2010-04-23 10:49:53 -0700 |
|---|---|---|
| committer | Andy Grover <andy.grover@oracle.com> | 2010-09-08 18:14:06 -0700 |
| commit | e4c52c98e04937ea87b0979a81354d0040d284f9 (patch) | |
| tree | c7bfbd9d952ebb66e7491d7c3a1bc91db3fbfbb8 /net/rds/ib_cm.c | |
| parent | 4a81802b5e5e0b059627d7173c917711cf35e668 (diff) | |
| download | lwn-e4c52c98e04937ea87b0979a81354d0040d284f9.tar.gz lwn-e4c52c98e04937ea87b0979a81354d0040d284f9.zip | |
RDS/IB: add _to_node() macros for numa and use {k,v}malloc_node()
Allocate send/recv rings in memory that is node-local to the HCA.
This significantly helps performance.
Signed-off-by: Andy Grover <andy.grover@oracle.com>
Diffstat (limited to 'net/rds/ib_cm.c')
| -rw-r--r-- | net/rds/ib_cm.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c index 75eda9c82135..b5d0b60a26bc 100644 --- a/net/rds/ib_cm.c +++ b/net/rds/ib_cm.c @@ -347,7 +347,8 @@ static int rds_ib_setup_qp(struct rds_connection *conn) goto out; } - ic->i_sends = vmalloc(ic->i_send_ring.w_nr * sizeof(struct rds_ib_send_work)); + ic->i_sends = vmalloc_node(ic->i_send_ring.w_nr * sizeof(struct rds_ib_send_work), + ibdev_to_node(dev)); if (!ic->i_sends) { ret = -ENOMEM; rdsdebug("send allocation failed\n"); @@ -355,7 +356,8 @@ static int rds_ib_setup_qp(struct rds_connection *conn) } memset(ic->i_sends, 0, ic->i_send_ring.w_nr * sizeof(struct rds_ib_send_work)); - ic->i_recvs = vmalloc(ic->i_recv_ring.w_nr * sizeof(struct rds_ib_recv_work)); + ic->i_recvs = vmalloc_node(ic->i_recv_ring.w_nr * sizeof(struct rds_ib_recv_work), + ibdev_to_node(dev)); if (!ic->i_recvs) { ret = -ENOMEM; rdsdebug("recv allocation failed\n"); |