diff options
| author | Amir Vadai | 2014-07-22 14:44:12 +0200 |
|---|---|---|
| committer | David S. Miller | 2014-07-23 04:53:14 +0200 |
| commit | ea1c1af1396cac9f8a1160acdac17f80e4b4f2c4 (patch) | |
| tree | f68f7322365a1af4acc7354672466edd76e627e2 /drivers/net/ethernet/mellanox/mlx4/en_main.c | |
| parent | net/mlx4_core: Use low memory profile on kdump kernel (diff) | |
| download | kernel-qcow2-linux-ea1c1af1396cac9f8a1160acdac17f80e4b4f2c4.tar.gz kernel-qcow2-linux-ea1c1af1396cac9f8a1160acdac17f80e4b4f2c4.tar.xz kernel-qcow2-linux-ea1c1af1396cac9f8a1160acdac17f80e4b4f2c4.zip | |
net/mlx4_en: Reduce memory consumption on kdump kernel
When memory is limited, reduce number of rx and tx rings.
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_main.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_main.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_main.c b/drivers/net/ethernet/mellanox/mlx4/en_main.c index f953c1d7eae6..3626fdf4cb5d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_main.c @@ -129,8 +129,10 @@ static int mlx4_en_get_profile(struct mlx4_en_dev *mdev) int i; params->udp_rss = udp_rss; - params->num_tx_rings_p_up = min_t(int, num_online_cpus(), - MLX4_EN_MAX_TX_RING_P_UP); + params->num_tx_rings_p_up = mlx4_low_memory_profile() ? + MLX4_EN_MIN_TX_RING_P_UP : + min_t(int, num_online_cpus(), MLX4_EN_MAX_TX_RING_P_UP); + if (params->udp_rss && !(mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UDP_RSS)) { mlx4_warn(mdev, "UDP RSS is not supported on this device\n"); |