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(parent: 54c69af) | 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)
commitc952b382f501e2d60114f29801a4cfb3ac93266c
treee710efd16263290f153b9f565449bdef7a48f464tree | snapshot
parent54c69afcdbb22baedc3329e4d84bd4ec297523eecommit | 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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