From: Jesper Dangaard Brouer <brouer@redhat.com>
Date: Mon, 28 Jan 2013 23:45:51 +0000 (+0000)
Subject: net: frag, move LRU list maintenance outside of rwlock
X-Git-Tag: v3.9-rc1~139^2~232^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3ef0eb0db4bf92c6d2510fe5c4dc51852746f206;p=pandora-kernel.git

net: frag, move LRU list maintenance outside of rwlock

Updating the fragmentation queues LRU (Least-Recently-Used) list,
required taking the hash writer lock.  However, the LRU list isn't
tied to the hash at all, so we can use a separate lock for it.

Original-idea-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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