netdev - Re: [PATCH] xfrm: avoid creating temporary SA when there are no listeners

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Date:	Wed, 29 Jan 2014 11:17:09 +0200
From:	Horia Geantă <horia.geanta@...escale.com>
To:	Steffen Klassert <steffen.klassert@...unet.com>,
	"David S. Miller" <davem@...emloft.net>
CC:	<netdev@...r.kernel.org>
Subject: Re: [PATCH] xfrm: avoid creating temporary SA when there are no listeners

On 1/29/2014 11:12 AM, Horia Geanta wrote:
> In the case when KMs have no listeners, km_query() will fail and
> temporary SAs are garbage collected immediately after their allocation.
> This causes strain on memory allocation, leading even to OOM since
> temporary SA alloc/free cycle is performed for every packet
> and garbage collection does not keep up the pace.
>
> The sane thing to do is to make sure we have audience before
> temporary SA allocation.
>
> Signed-off-by: Horia Geanta<horia.geanta@...escale.com>
> ---
> Resending - initially posted as RFC:
> http://www.spinics.net/lists/netdev/msg268454.html
>
> Please apply.

This is for ipsec-next, sorry for not mentioning in the first place.

Regards,
Horia



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