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authorEric Dumazet <edumazet@google.com>2021-10-25 15:13:41 -0700
committerDavid S. Miller <davem@davemloft.net>2021-10-26 14:45:12 +0100
commit8a794df69300cf2f889b4f02ada9c54baa9bca91 (patch)
tree633e9f453e19ecc8aaab0ba4620b62c5d19fbfd9 /net/ipv4/tcp.c
parentf8dd3b8d70206a0d427ffb0aada6dcada1cf3720 (diff)
downloadlinux-8a794df69300cf2f889b4f02ada9c54baa9bca91.tar.bz2
tcp: use MAX_TCP_HEADER in tcp_stream_alloc_skb
Both IPv4 and IPv6 uses same reserve, no need risking cache line misses to fetch its value. Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp.c')
-rw-r--r--net/ipv4/tcp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 9ba2317cbe32..f30a26820126 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -867,7 +867,7 @@ struct sk_buff *tcp_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp,
if (unlikely(tcp_under_memory_pressure(sk)))
sk_mem_reclaim_partial(sk);
- skb = alloc_skb_fclone(size + sk->sk_prot->max_header, gfp);
+ skb = alloc_skb_fclone(size + MAX_TCP_HEADER, gfp);
if (likely(skb)) {
bool mem_scheduled;
@@ -878,7 +878,7 @@ struct sk_buff *tcp_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp,
mem_scheduled = sk_wmem_schedule(sk, skb->truesize);
}
if (likely(mem_scheduled)) {
- skb_reserve(skb, sk->sk_prot->max_header);
+ skb_reserve(skb, MAX_TCP_HEADER);
/*
* Make sure that we have exactly size bytes
* available to the caller, no more, no less.