mlx5_core: Change optimal_reclaimed_pages for better performance

[cascardo/linux.git] / drivers / net / ethernet / mellanox / mlx5 / core / pagealloc.c

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
index 013aa42..ba816c2 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
@@ -454,14 +454,19 @@ int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot)
        return give_pages(dev, func_id, npages, 0);
 }
 
+enum {
+       MLX5_BLKS_FOR_RECLAIM_PAGES = 12
+};
+
 static int optimal_reclaimed_pages(void)
 {
        struct mlx5_cmd_prot_block *block;
        struct mlx5_cmd_layout *lay;
        int ret;
 
-       ret = (sizeof(lay->in) + sizeof(block->data) -
-              sizeof(struct mlx5_manage_pages_outbox)) / 8;
+       ret = (sizeof(lay->out) + MLX5_BLKS_FOR_RECLAIM_PAGES * sizeof(block->data) -
+              sizeof(struct mlx5_manage_pages_outbox)) /
+              FIELD_SIZEOF(struct mlx5_manage_pages_outbox, pas[0]);
 
        return ret;
 }