net/mlx5: Decrease default mr cache size

Delete initialization of high order entries in mr cache to decrease initial
memory footprint. When required, the administrator can populate the
entries with memory keys via the /sys interface.

This approach is very helpful to significantly reduce the per HW function
memory footprint in virtualization environments such as SRIOV.

Fixes: 9603b61de1ee ("mlx5: Move pci device handling from mlx5_ib to mlx5_core")
Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reported-by:  Shalom Toledo <shalomt@mellanox.com>
Acked-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 70cc906a102b2dde87d161385126f43da4948266..76716419370df9738384675c3dc36e5d0ff6cf27 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -164,26 +164,6 @@ static struct mlx5_profile profile[] = {
                        .size   = 8,
                        .limit  = 4
                },
-               .mr_cache[16]   = {
-                       .size   = 8,
-                       .limit  = 4
-               },
-               .mr_cache[17]   = {
-                       .size   = 8,
-                       .limit  = 4
-               },
-               .mr_cache[18]   = {
-                       .size   = 8,
-                       .limit  = 4
-               },
-               .mr_cache[19]   = {
-                       .size   = 4,
-                       .limit  = 2
-               },
-               .mr_cache[20]   = {
-                       .size   = 4,
-                       .limit  = 2
-               },
        },
 };