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| author | Alaa Hleihel | 2018-10-09 11:06:52 +0200 |
|---|---|---|
| committer | David S. Miller | 2018-10-09 20:08:48 +0200 |
| commit | 27055454b43009b6775a7ce70907bb298f4fab1e (patch) | |
| tree | 85ef52fe0d3a98844f46bb954339c7d9d30d9d48 /drivers/net/ethernet/mellanox/mlx4/en_main.c | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next (diff) | |
| download | kernel-qcow2-linux-27055454b43009b6775a7ce70907bb298f4fab1e.tar.gz kernel-qcow2-linux-27055454b43009b6775a7ce70907bb298f4fab1e.tar.xz kernel-qcow2-linux-27055454b43009b6775a7ce70907bb298f4fab1e.zip | |
net/mlx4_en: Use minimal rx and tx ring sizes on kdump kernel
When memory is limited (on kdump kernel), reduce size of rx and tx rings.
Also reduce the number of rx rings.
Signed-off-by: Alaa Hleihel <alaa@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@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 | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_main.c b/drivers/net/ethernet/mellanox/mlx4/en_main.c index d25e16d2c319..109472d6b61f 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_main.c @@ -167,8 +167,13 @@ static void mlx4_en_get_profile(struct mlx4_en_dev *mdev) params->prof[i].rx_ppp = pfcrx; params->prof[i].tx_pause = !(pfcrx || pfctx); params->prof[i].tx_ppp = pfctx; - params->prof[i].tx_ring_size = MLX4_EN_DEF_TX_RING_SIZE; - params->prof[i].rx_ring_size = MLX4_EN_DEF_RX_RING_SIZE; + if (mlx4_low_memory_profile()) { + params->prof[i].tx_ring_size = MLX4_EN_MIN_TX_SIZE; + params->prof[i].rx_ring_size = MLX4_EN_MIN_RX_SIZE; + } else { + params->prof[i].tx_ring_size = MLX4_EN_DEF_TX_RING_SIZE; + params->prof[i].rx_ring_size = MLX4_EN_DEF_RX_RING_SIZE; + } params->prof[i].num_up = MLX4_EN_NUM_UP_LOW; params->prof[i].num_tx_rings_p_up = params->max_num_tx_rings_p_up; params->prof[i].tx_ring_num[TX] = params->max_num_tx_rings_p_up * |