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From: "Huang\, Ying" <ying.huang@intel.com>
Subject: Re: swap_cluster_info lockdep splat
References: <20170216052218.GA13908@bbox>
Date: Thu, 16 Feb 2017 16:44:33 +0800
In-Reply-To: <20170216052218.GA13908@bbox> (Minchan Kim's message of "Thu, 16
	Feb 2017 14:22:18 +0900")
Message-ID: <87o9y2a5ji.fsf@yhuang-dev.intel.com>
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To: Minchan Kim <minchan@kernel.org>
Cc: "Huang, Ying" <ying.huang@intel.com>, Andrew Morton <akpm@linux-foundation.org>, Tim Chen <tim.c.chen@linux.intel.com>, Hugh Dickins <hughd@google.com>, linux-kernel@vger.kernel.org, linux-mm@kvack.org

Hi, Minchan,

Minchan Kim <minchan@kernel.org> writes:

> Hi Huang,
>
> With changing from bit lock to spinlock of swap_cluster_info, my zram
> test failed with below message. It seems nested lock problem so need to
> play with lockdep.

Sorry, I could not reproduce the warning in my tests.  Could you try the
patches as below?   And could you share your test case?

Best Regards,
Huang, Ying

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