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Message-ID: <20240403152844.4061814-2-almasrymina@google.com>
Date: Wed, 3 Apr 2024 08:28:40 -0700
From: Mina Almasry <almasrymina@...gle.com>
To: netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Mina Almasry <almasrymina@...gle.com>, Ayush Sawal <ayush.sawal@...lsio.com>,
"David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Steffen Klassert <steffen.klassert@...unet.com>, Herbert Xu <herbert@...dor.apana.org.au>,
David Ahern <dsahern@...nel.org>, Boris Pismenny <borisp@...dia.com>,
John Fastabend <john.fastabend@...il.com>, Tariq Toukan <tariqt@...dia.com>,
Dragos Tatulea <dtatulea@...dia.com>, Simon Horman <horms@...nel.org>,
Sabrina Dubroca <sd@...asysnail.net>,
"Ahelenia ZiemiaĆska" <nabijaczleweli@...ijaczleweli.xyz>,
Pavan Chebbi <pavan.chebbi@...adcom.com>,
Christophe JAILLET <christophe.jaillet@...adoo.fr>, Yunsheng Lin <linyunsheng@...wei.com>,
Florian Westphal <fw@...len.de>, David Howells <dhowells@...hat.com>,
Alexander Lobakin <aleksander.lobakin@...el.com>, Lorenzo Bianconi <lorenzo@...nel.org>,
Johannes Berg <johannes.berg@...el.com>
Subject: [PATCH net-next v4 1/3] net: make napi_frag_unref reuse skb_page_unref
The implementations of these 2 functions are almost identical. Remove
the implementation of napi_frag_unref, and make it a call into
skb_page_unref so we don't duplicate the implementation.
Signed-off-by: Mina Almasry <almasrymina@...gle.com>
---
include/linux/skbuff.h | 12 +++---------
net/ipv4/esp4.c | 2 +-
net/ipv6/esp6.c | 2 +-
3 files changed, 5 insertions(+), 11 deletions(-)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 03ea36a82cdd..7dcbd27e1497 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -3513,10 +3513,10 @@ int skb_cow_data_for_xdp(struct page_pool *pool, struct sk_buff **pskb,
bool napi_pp_put_page(struct page *page);
static inline void
-skb_page_unref(const struct sk_buff *skb, struct page *page)
+skb_page_unref(struct page *page, bool recycle)
{
#ifdef CONFIG_PAGE_POOL
- if (skb->pp_recycle && napi_pp_put_page(page))
+ if (recycle && napi_pp_put_page(page))
return;
#endif
put_page(page);
@@ -3525,13 +3525,7 @@ skb_page_unref(const struct sk_buff *skb, struct page *page)
static inline void
napi_frag_unref(skb_frag_t *frag, bool recycle)
{
- struct page *page = skb_frag_page(frag);
-
-#ifdef CONFIG_PAGE_POOL
- if (recycle && napi_pp_put_page(page))
- return;
-#endif
- put_page(page);
+ skb_page_unref(skb_frag_page(frag), recycle);
}
/**
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 3d647c9a7a21..40330253f076 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -114,7 +114,7 @@ static void esp_ssg_unref(struct xfrm_state *x, void *tmp, struct sk_buff *skb)
*/
if (req->src != req->dst)
for (sg = sg_next(req->src); sg; sg = sg_next(sg))
- skb_page_unref(skb, sg_page(sg));
+ skb_page_unref(sg_page(sg), skb->pp_recycle);
}
#ifdef CONFIG_INET_ESPINTCP
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index fe8d53f5a5ee..fb431d0a3475 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -131,7 +131,7 @@ static void esp_ssg_unref(struct xfrm_state *x, void *tmp, struct sk_buff *skb)
*/
if (req->src != req->dst)
for (sg = sg_next(req->src); sg; sg = sg_next(sg))
- skb_page_unref(skb, sg_page(sg));
+ skb_page_unref(sg_page(sg), skb->pp_recycle);
}
#ifdef CONFIG_INET6_ESPINTCP
--
2.44.0.478.gd926399ef9-goog
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