diff options
| author | Santosh Shilimkar <santosh.shilimkar@oracle.com> | 2016-07-04 16:16:36 -0700 |
|---|---|---|
| committer | Santosh Shilimkar <santosh.shilimkar@oracle.com> | 2017-01-02 14:02:52 -0800 |
| commit | be2f76eacc278c272f26d46e4168efe5a55f5383 (patch) | |
| tree | c5d8d170f37ff0704d3a87b55e493ea794f8e841 /net/rds/ib.c | |
| parent | 09b2b8f52895addd9bf28dc5ac98ff5cc750cf9a (diff) | |
| download | linux-stable-be2f76eacc278c272f26d46e4168efe5a55f5383.tar.gz linux-stable-be2f76eacc278c272f26d46e4168efe5a55f5383.tar.bz2 linux-stable-be2f76eacc278c272f26d46e4168efe5a55f5383.zip | |
RDS: IB: Add vector spreading for cqs
Based on available device vectors, allocate cqs accordingly to
get better spread of completion vectors which helps performace
great deal..
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Diffstat (limited to 'net/rds/ib.c')
| -rw-r--r-- | net/rds/ib.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/net/rds/ib.c b/net/rds/ib.c index 5680d90b0b77..8d70884d7bb6 100644 --- a/net/rds/ib.c +++ b/net/rds/ib.c @@ -111,6 +111,9 @@ static void rds_ib_dev_free(struct work_struct *work) kfree(i_ipaddr); } + if (rds_ibdev->vector_load) + kfree(rds_ibdev->vector_load); + kfree(rds_ibdev); } @@ -159,6 +162,14 @@ static void rds_ib_add_one(struct ib_device *device) rds_ibdev->max_initiator_depth = device->attrs.max_qp_init_rd_atom; rds_ibdev->max_responder_resources = device->attrs.max_qp_rd_atom; + rds_ibdev->vector_load = kzalloc(sizeof(int) * device->num_comp_vectors, + GFP_KERNEL); + if (!rds_ibdev->vector_load) { + pr_err("RDS/IB: %s failed to allocate vector memory\n", + __func__); + goto put_dev; + } + rds_ibdev->dev = device; rds_ibdev->pd = ib_alloc_pd(device, 0); if (IS_ERR(rds_ibdev->pd)) { |