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(parent: a0229da) | patch
tcp: allow one skb to be received per socket under memory pressure
authorEric Dumazet <edumazet@google.com>
Fri, 15 May 2015 19:39:29 +0000 (12:39 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 18 May 2015 02:45:49 +0000 (22:45 -0400)
commit76672cf0b8c227861e80254bc5a97d0ee95906ce
treee710efd16263290f153b9f565449bdef7a48f464tree | snapshot
parenta0229dae4d7a1c326fa837dcaa4b088455faead7commit | diff
tcp: allow one skb to be received per socket under memory pressure

While testing tight tcp_mem settings, I found tcp sessions could be
stuck because we do not allow even one skb to be received on them.

By allowing one skb to be received, we introduce fairness and
eventuallu force memory hogs to release their allocation.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp_input.c diff | blob | history
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