Message ID | 4D9449A9.9070600@mellanox.co.il |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show |
From: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Date: Thu, 31 Mar 2011 11:30:17 +0200 > We should reduce the number of reserved completion queues from the total > number of entries. Since the queue size is power of two, not reducing the > reserved entries, caused a double queue size, which may lead to allocation > failures in some cases. > > Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/mlx4/eq.c b/drivers/net/mlx4/eq.c index 506cfd0..1ad1f60 100644 --- a/drivers/net/mlx4/eq.c +++ b/drivers/net/mlx4/eq.c @@ -603,7 +603,9 @@ int mlx4_init_eq_table(struct mlx4_dev *dev) } for (i = 0; i < dev->caps.num_comp_vectors; ++i) { - err = mlx4_create_eq(dev, dev->caps.num_cqs + MLX4_NUM_SPARE_EQE, + err = mlx4_create_eq(dev, dev->caps.num_cqs - + dev->caps.reserved_cqs + + MLX4_NUM_SPARE_EQE, (dev->flags & MLX4_FLAG_MSI_X) ? i : 0, &priv->eq_table.eq[i]); if (err) {
We should reduce the number of reserved completion queues from the total number of entries. Since the queue size is power of two, not reducing the reserved entries, caused a double queue size, which may lead to allocation failures in some cases. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> --- drivers/net/mlx4/eq.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)