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RDS/IB: add _to_node() macros for numa and use {k,v}malloc_node()

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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>
This commit is contained in:
Andy Grover
2010-04-23 10:49:53 -07:00
parent 4a81802b5e
commit e4c52c98e0
4 changed files with 14 additions and 5 deletions
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6
net/rds/ib_cm.c
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@@ -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");