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net: forward_alloc_get depends on CONFIG_MPTCP

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(struct proto)->sk_forward_alloc is currently only used by MPTCP.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2021-11-15 11:02:38 -08:00 committed by David S. Miller
parent 1ace2b4d2b
commit 6c302e799a
1 changed files with 7 additions and 4 deletions
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11
include/net/sock.h
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@ -1206,7 +1206,9 @@ struct proto {
unsigned int inuse_idx;
#endif
#if IS_ENABLED(CONFIG_MPTCP)
int (*forward_alloc_get)(const struct sock *sk);
#endif
bool (*stream_memory_free)(const struct sock *sk, int wake);
bool (*sock_is_readable)(struct sock *sk);
@ -1295,10 +1297,11 @@ INDIRECT_CALLABLE_DECLARE(bool tcp_stream_memory_free(const struct sock *sk, int
static inline int sk_forward_alloc_get(const struct sock *sk)
{
if (!sk->sk_prot->forward_alloc_get)
return sk->sk_forward_alloc;
return sk->sk_prot->forward_alloc_get(sk);
#if IS_ENABLED(CONFIG_MPTCP)
if (sk->sk_prot->forward_alloc_get)
return sk->sk_prot->forward_alloc_get(sk);
#endif
return sk->sk_forward_alloc;
}
static inline bool __sk_stream_memory_free(const struct sock *sk, int wake)