linux-kernel - [PATCH v2 2/3] nfp: flower: use vmalloc

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Message-Id: <20250814102100.151942-3-rongqianfeng@vivo.com>
Date: Thu, 14 Aug 2025 18:20:54 +0800
From: Qianfeng Rong <rongqianfeng@...o.com>
To: Jakub Kicinski <kuba@...nel.org>,
	Simon Horman <horms@...nel.org>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Paolo Abeni <pabeni@...hat.com>,
	oss-drivers@...igine.com (open list:NETRONOME ETHERNET DRIVERS),
	netdev@...r.kernel.org (open list:NETWORKING DRIVERS),
	linux-kernel@...r.kernel.org (open list)
Cc: Qianfeng Rong <rongqianfeng@...o.com>
Subject: [PATCH v2 2/3] nfp: flower: use vmalloc_array() to simplify code

Remove array_size() calls and replace vmalloc() with vmalloc_array() in
nfp_flower_metadata_init().

vmalloc_array() is also optimized better, resulting in less instructions
being used.

Signed-off-by: Qianfeng Rong <rongqianfeng@...o.com>
---
 drivers/net/ethernet/netronome/nfp/flower/metadata.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/netronome/nfp/flower/metadata.c b/drivers/net/ethernet/netronome/nfp/flower/metadata.c
index 80e4675582bf..137e526e2584 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/metadata.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/metadata.c
@@ -564,8 +564,8 @@ int nfp_flower_metadata_init(struct nfp_app *app, u64 host_ctx_count,
 
 	/* Init ring buffer and unallocated stats_ids. */
 	priv->stats_ids.free_list.buf =
-		vmalloc(array_size(NFP_FL_STATS_ELEM_RS,
-				   priv->stats_ring_size));
+		vmalloc_array(NFP_FL_STATS_ELEM_RS,
+			      priv->stats_ring_size);
 	if (!priv->stats_ids.free_list.buf)
 		goto err_free_last_used;
 
-- 
2.34.1