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Date:   Fri, 1 Jun 2018 05:57:42 -0400
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Qing Huang <qing.huang@...cle.com>,
        Eric Dumazet <edumazet@...gle.com>,
        "David S . Miller" <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Eric Dumazet <eric.dumazet@...il.com>,
        John Sperbeck <jsperbeck@...gle.com>,
        Tarick Bedeir <tarick@...gle.com>,
        Daniel Jurgens <danielj@...lanox.com>,
        Zhu Yanjun <yanjun.zhu@...cle.com>
Subject: Re: [PATCH v2 net] mlx4_core: restore optimal ICM memory allocation



On 05/31/2018 09:51 PM, Qing Huang wrote:
> 

> It would be great if you could share the test case that triggered the KASAN report in your
> environment. Our QA has been running intensive tests using 8KB or 4KB chunk size configuration
> for some time, no one has reported memory corruption issues so far, given that we are not
> running the latest upstream kernel.
> 
> IMO, it's worthwhile to find out the root cause and fix the problem.
> 

Do not worry, we are working on this minor problem.

We do not use KASAN on production hosts, quite obviously.

The memory waste is the major problem really.

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