From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: dst->obsolete has become pointless
Date: Thu, 10 Nov 2011 01:33:43 +0100
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Le mercredi 09 novembre 2011 =C3=A0 19:24 -0500, David Miller a =C3=A9c=
rit :

> We can only use it in this scenerio if it universally
> uses the same type.  This is due to the by-hand layout
> of the rest of the structure such that __refcnt ends
> up on a different cache line.
> --

tbench (or any tcp on loopback workload) is currently hitting a single
dst refcnt because a single dst is shared by all sockets...

Now some information was migrated to inetpeer, I wonder if we could not
allocate a private dst for a socket ?

Just an idea before the night...