netdev - Re: [RFC PATCH]xfrm: fix perpetual bundles

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Date:	Tue, 02 Mar 2010 06:06:06 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	hadi@...erus.ca
Cc:	steffen.klassert@...unet.com, herbert@...dor.apana.org.au,
	kaber@...sh.net, yoshfuji@...ux-ipv6.org, nakam@...ux-ipv6.org,
	eric.dumazet@...il.com, netdev@...r.kernel.org
Subject: Re: [RFC PATCH]xfrm: fix perpetual bundles

From: jamal <hadi@...erus.ca>
Date: Tue, 02 Mar 2010 08:54:30 -0500

> On Tue, 2010-03-02 at 14:46 +0100, Steffen Klassert wrote:
> 
>> The problem was spotted by 
>> commit a33bc5c15154c835aae26f16e6a3a7d9ad4acb45
>> xfrm: select sane defaults for xfrm[4|6] gc_thresh
>> 
>> Before this commit, the xfrm garbage collector started to remove
>> stale bundle entries as soon as we reached an amount of 1024
>> bundle entries. Now the default value for the gc_thresh is
>> based on the main route table hash size, so we can have much more
>> bundle entries.
> 
> yikes. Ok. Seems this fix needs to go -stable as well then.

Jamal please do some testing then I'll push Herbert's fix around.
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