From: John Dykstra <john.dykstra1@gmail.com>
Date: Tue, 12 May 2009 15:34:50 +0000 (+0000)
Subject: tcp: tcp_prequeue() can use keyed wakeups
X-Git-Tag: v2.6.31-rc1~330^2~420
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9dc20c5f78c53bf57fb7874b6e942842e1db20d3;p=pandora-kernel.git

tcp: tcp_prequeue() can use keyed wakeups

When TCP frees up write buffer space, avoid waking up tasks that have
done a poll() or select() on the same socket specifying read-side
events.

This is an extension of a read-side patch by Eric Dumazet.

Signed-off-by: John Dykstra <john.dykstra1@gmail.com>
Acked-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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