Re: [PATCH 3/3] Convert the UDP hash lock to RCU

From: Evgeniy Polyakov
Date: Tue Oct 07 2008 - 04:38:59 EST


On Mon, Oct 06, 2008 at 06:08:09PM -0500, Corey Minyard (minyard@xxxxxxx) wrote:
> Would using SLAB_DESTROY_BY_RCU be ok, or would that be too expensive?

I tested skb destruction via RCU path, and got 2.5 times worse numbers
with small-packets-bulk-transfer workload.

For more details
http://tservice.net.ru/~s0mbre/blog/devel/networking/2006_12_05_1.html

--
Evgeniy Polyakov
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