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mlx4: Fixing bad size of event queue buffer

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yevgeny Petrilin
2011-03-30 23:30:17 +00:00
committed by David S. Miller
parent 53020092bd
commit c379474591
1 changed files with 3 additions and 1 deletions
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drivers/net/mlx4/eq.c
+3 -1
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@@ -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) {