netdev - [PATCH net-next] net/mlx5: Use the first node of priv.free_list in alloc

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Message-Id: <20240206085456.48285-1-lirongqing@baidu.com>
Date: Tue,  6 Feb 2024 16:54:56 +0800
From: Li RongQing <lirongqing@...du.com>
To: netdev@...r.kernel.org
Cc: Li RongQing <lirongqing@...du.com>
Subject: [PATCH net-next] net/mlx5: Use the first node of priv.free_list in alloc_4k

Use the first node of priv.free_list, which is cache-hot;
and avoid unnecessary iterations

Signed-off-by: Li RongQing <lirongqing@...du.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
index dcf58ef..7113d98 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
@@ -228,6 +228,7 @@ static int alloc_4k(struct mlx5_core_dev *dev, u64 *addr, u32 function)
 		if (iter->function != function)
 			continue;
 		fp = iter;
+		break;
 	}
 
 	if (list_empty(&dev->priv.free_list) || !fp)
-- 
2.9.4