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

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Message-Id: <20240823061648.17862-1-lirongqing@baidu.com>
Date: Fri, 23 Aug 2024 14:16:48 +0800
From: Li RongQing <lirongqing@...du.com>
To: saeedm@...dia.com,
	leon@...nel.org,
	tariqt@...dia.com,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	netdev@...r.kernel.org,
	linux-rdma@...r.kernel.org
Cc: Li RongQing <lirongqing@...du.com>
Subject: [PATCH][net-next] net/mlx5: Pick the first matched node of priv.free_list in alloc_4k

Pick the first node instead of last, to avoid unnecessary iterating
over whole free list

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 972e8e9..cd20f11 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