netdev - Re: [PATCH] xfrm: implement basic garbage collection for bundles

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Message-ID: <20100320124919.GA2243@gondor.apana.org.au>
Date:	Sat, 20 Mar 2010 20:49:19 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Timo Teräs <timo.teras@....fi>
Cc:	netdev@...r.kernel.org, Neil Horman <nhorman@...driver.com>
Subject: Re: [PATCH] xfrm: implement basic garbage collection for bundles

On Sat, Mar 20, 2010 at 02:42:02PM +0200, Timo Teräs wrote:
>
> But even if we have the gc_thresh back to 1024 or similar size,
> it is still a good thing to do some basic gc on xfrm bundles so
> that the underlaying rtable dst's can be freed before they end up
> in the dst core list.

But I'm not sure if a timer-based one really makes sense though.

If you're worried about stale entries preventing IPv4/IPv6 rt
entries from being collected, perhaps we should invoke the xfrm
GC process from the IPv4/IPv6 GC function?

Cheers,
-- 
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