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tcp: avoid indirect call to tcp_stream_memory_free()

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Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet 2020-11-13 07:08:09 -08:00 committed by Jakub Kicinski
parent d3cd4924e3
commit 1c5f2ced13
1 changed files with 6 additions and 2 deletions
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8
include/net/sock.h
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@ -60,7 +60,7 @@
#include <linux/rculist_nulls.h>
#include <linux/poll.h>
#include <linux/sockptr.h>
#include <linux/indirect_call_wrapper.h>
#include <linux/atomic.h>
#include <linux/refcount.h>
#include <net/dst.h>
@ -1264,13 +1264,17 @@ static inline void sk_refcnt_debug_release(const struct sock *sk)
#define sk_refcnt_debug_release(sk) do { } while (0)
#endif /* SOCK_REFCNT_DEBUG */
INDIRECT_CALLABLE_DECLARE(bool tcp_stream_memory_free(const struct sock *sk, int wake));
static inline bool __sk_stream_memory_free(const struct sock *sk, int wake)
{
if (READ_ONCE(sk->sk_wmem_queued) >= READ_ONCE(sk->sk_sndbuf))
return false;
return sk->sk_prot->stream_memory_free ?
sk->sk_prot->stream_memory_free(sk, wake) : true;
INDIRECT_CALL_1(sk->sk_prot->stream_memory_free,
tcp_stream_memory_free,
sk, wake) : true;
}
static inline bool sk_stream_memory_free(const struct sock *sk)