linux-kernel - [PATCH bpf-next 9/9] xdp: remove xdp_alloc_skb

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Message-ID: <20240830162508.1009458-10-aleksander.lobakin@intel.com>
Date: Fri, 30 Aug 2024 18:25:08 +0200
From: Alexander Lobakin <aleksander.lobakin@...el.com>
To: Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Andrii Nakryiko <andrii@...nel.org>
Cc: Alexander Lobakin <aleksander.lobakin@...el.com>,
	Lorenzo Bianconi <lorenzo@...nel.org>,
	Daniel Xu <dxu@...uu.xyz>,
	John Fastabend <john.fastabend@...il.com>,
	Jesper Dangaard Brouer <hawk@...nel.org>,
	Martin KaFai Lau <martin.lau@...ux.dev>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	bpf@...r.kernel.org,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH bpf-next 9/9] xdp: remove xdp_alloc_skb_bulk()

The only user was veth, which now uses napi_skb_cache_get_bulk().
It's now preferred over a direct allocation and is exported as
well, so remove this one.

Signed-off-by: Alexander Lobakin <aleksander.lobakin@...el.com>
---
 include/net/xdp.h |  1 -
 net/core/xdp.c    | 10 ----------
 2 files changed, 11 deletions(-)

diff --git a/include/net/xdp.h b/include/net/xdp.h
index e6770dd40c91..bd3363e384b2 100644
--- a/include/net/xdp.h
+++ b/include/net/xdp.h
@@ -245,7 +245,6 @@ struct sk_buff *__xdp_build_skb_from_frame(struct xdp_frame *xdpf,
 					   struct net_device *dev);
 struct sk_buff *xdp_build_skb_from_frame(struct xdp_frame *xdpf,
 					 struct net_device *dev);
-int xdp_alloc_skb_bulk(void **skbs, int n_skb, gfp_t gfp);
 struct xdp_frame *xdpf_clone(struct xdp_frame *xdpf);
 
 static inline
diff --git a/net/core/xdp.c b/net/core/xdp.c
index bcc5551c6424..34d057089d20 100644
--- a/net/core/xdp.c
+++ b/net/core/xdp.c
@@ -584,16 +584,6 @@ void xdp_warn(const char *msg, const char *func, const int line)
 };
 EXPORT_SYMBOL_GPL(xdp_warn);
 
-int xdp_alloc_skb_bulk(void **skbs, int n_skb, gfp_t gfp)
-{
-	n_skb = kmem_cache_alloc_bulk(net_hotdata.skbuff_cache, gfp, n_skb, skbs);
-	if (unlikely(!n_skb))
-		return -ENOMEM;
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(xdp_alloc_skb_bulk);
-
 struct sk_buff *__xdp_build_skb_from_frame(struct xdp_frame *xdpf,
 					   struct sk_buff *skb,
 					   struct net_device *dev)
-- 
2.46.0