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Date: Mon, 23 Jul 2007 11:45:46 -0600
From: "Chris Friesen" <cfriesen@nortel.com>
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To: Eric Dumazet <dada1@cosmosbay.com>
CC: Lee Revell <rlrevell@joe-job.com>, linux-kernel@vger.kernel.org,
       linux-net@vger.kernel.org
Subject: Re: posible latency issues in seq_read
References: <46A125F4.3030504@nortel.com> <75b66ecd0707201518j45ef8bb7q7e48462ffbbc9c58@mail.gmail.com> <46A1399C.8010405@nortel.com> <46A181A5.5010203@cosmosbay.com>
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Eric Dumazet wrote:

> The problem is in established_get_next() and established_get_first() not 
> allowing softirq processing, while scanning a possibly huge hash table, 
> even if few sockets are hashed in.
> 
> As cond_resched_softirq() was added in linux-2.6.11, you probably *need* 
> to check the diffs between linux-2.6.10 & linux-2.6.11

Thanks for the pointers to the likely culprits.

Chris