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Date:	Wed, 12 Sep 2007 04:12:00 -0700 (PDT)
From:	David Miller <>
Subject: Re: [PATCH] NET : convert IP route cache garbage colleciton from
 softirq processing to a workqueue

From: Eric Dumazet <>
Date: Wed, 12 Sep 2007 12:08:45 +0200

> Unfortunatly, there is no equivalent for this one. 
> This gives on my Opterons a nice "prefetchnta"
> prefetch(addr) is more like __builtin_prefetch(addr, 0, 3)
> I would like to avoid to zap L2 cache with useless data.
> __builtin_prefetch() is included from gcc 3.1 (2002), so every 
> platform should support it, as linux-2.6 requires gcc 3.2 at least.
> I guess you are going to tell me to first publish a patch to lkml :)

Basically, yes :-)  You won't be the only person to find this
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