[PATCH net-next] net: mvneta: rely on napi_build_skb() in mvneta_swbm_build_skb()
From: Lorenzo Bianconi <hidden>
Date: 2026-09-17 13:22:48
Also in:
bpf
Subsystem:
marvell mvneta ethernet driver, networking drivers, the rest · Maintainers:
Marcin Wojtas, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
mvneta_swbm_build_skb() is only invoked from mvneta_poll(), the NAPI poll routine, so it always runs in NAPI context. Use napi_build_skb() instead of build_skb() to source the skb head from the per-CPU NAPI cache, avoiding a per-packet kmem_cache_alloc() of the skb head. Signed-off-by: Lorenzo Bianconi <redacted> --- drivers/net/ethernet/marvell/mvneta.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 543e566425c1..c2b1098d8d1d 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c@@ -2403,7 +2403,7 @@ mvneta_swbm_build_skb(struct mvneta_port *pp, struct page_pool *pool, if (unlikely(xdp_buff_has_frags(xdp))) num_frags = sinfo->nr_frags; - skb = build_skb(xdp->data_hard_start, PAGE_SIZE); + skb = napi_build_skb(xdp->data_hard_start, PAGE_SIZE); if (!skb) return ERR_PTR(-ENOMEM);
--- base-commit: 859e40055c19ceb8b8215f3269e57075023b72b4 change-id: 20260917-mvneta-napi-poll-987b8e9aef0e Best regards, -- Lorenzo Bianconi [off-list ref]