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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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5
net/rds/ib_rdma.c
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@@ -297,7 +297,7 @@ static struct rds_ib_mr *rds_ib_alloc_fmr(struct rds_ib_device *rds_ibdev)
rds_ib_flush_mr_pool(pool, 0);
}
ibmr = kzalloc(sizeof(*ibmr), GFP_KERNEL);
ibmr = kzalloc_node(sizeof(*ibmr), GFP_KERNEL, rdsibdev_to_node(rds_ibdev));
if (!ibmr) {
err = -ENOMEM;
goto out_no_cigar;
@@ -376,7 +376,8 @@ static int rds_ib_map_fmr(struct rds_ib_device *rds_ibdev, struct rds_ib_mr *ibm
if (page_cnt > fmr_message_size)
return -EINVAL;
dma_pages = kmalloc(sizeof(u64) * page_cnt, GFP_ATOMIC);
dma_pages = kmalloc_node(sizeof(u64) * page_cnt, GFP_ATOMIC,
rdsibdev_to_node(rds_ibdev));
if (!dma_pages)
return -ENOMEM;