netdev - Re: [PATCH v2] rps: fix insufficient bounds checking in store_rps_dev_flow_table

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Date:	Fri, 23 Dec 2011 00:56:50 -0500
From:	Xi Wang <xi.wang@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Tom Herbert <therbert@...gle.com>,
	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH v2] rps: fix insufficient bounds checking in store_rps_dev_flow_table_cnt()

On Dec 23, 2011, at 12:35 AM, Eric Dumazet wrote:
> By the way, the theorical limit on number of flows on 64bit platform is
> 2^32  (rxhash being an u32)
> 
> Not sure spending 32GB per table would be wise for typical machines :)

True, a large rps_flow_cnt is not that useful. ;-)

Anyway, my point is that if the patch looks confusing to you, then
it is probably not good.  I am happy to see a more elegant fix.

- xi
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