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tcp: introduce tcp_under_memory_pressure()

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Introduce an optimized version of sk_under_memory_pressure()
for TCP. Our intent is to use it in fast paths.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2015-05-15 12:39:27 -07:00 • committed by David S. Miller
commit b8da51ebb1
4 changed files with 15 additions and 7 deletions
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2
net/ipv4/tcp_timer.c
View file

@ -247,7 +247,7 @@ void tcp_delack_timer_handler(struct sock *sk)
}
out:
if (sk_under_memory_pressure(sk))
if (tcp_under_memory_pressure(sk))
sk_mem_reclaim(sk);
}