netdev - Re: [PATCH] ipv4: rt_cache_valid must check expired routes

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Message-Id: <20120725.152521.661459480578969849.davem@davemloft.net>
Date:	Wed, 25 Jul 2012 15:25:21 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] ipv4: rt_cache_valid must check expired routes

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 25 Jul 2012 17:11:23 +0200

> From: Eric Dumazet <edumazet@...gle.com>
> 
> commit d2d68ba9fe8 (ipv4: Cache input routes in fib_info nexthops.)
> introduced rt_cache_valid() helper. It unfortunately doesn't check if
> route is expired before caching it.
> 
> I noticed sk_setup_caps() was constantly called on a tcp workload.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied, thanks.

> ---
> This patch is bringed by an European guy, but its still July after
> all ;)

:-)
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