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Message-ID: <20160607063621.GA12718@lst.de>
Date:	Tue, 7 Jun 2016 08:36:21 +0200
From:	Christoph Hellwig <hch@....de>
To:	Larry Finger <Larry.Finger@...inger.net>
Cc:	Catalin Marinas <catalin.marinas@....com>,
	Christoph Hellwig <hch@....de>, linux-block@...r.kernel.org,
	linux-kernel@...r.kernel.org, Jens Axboe <axboe@...com>,
	bart.vanassche@...disk.com, drysdale@...gle.com
Subject: Re: kmemleak report after 9082e87bfbf8 ("block: remove struct
	bio_batch")

On Mon, Jun 06, 2016 at 11:06:05PM -0500, Larry Finger wrote:
> The leak is definitely not related to mkfs. At the moment, my system has 
> been up about 26 hours, and has generated 162 of these leaks without ever 
> doing a single mkfs. In addition, the box say idle for almost 12 of those 
> hours.

That makes sense only if you are using ext4 that's doing discards/write_zero
at runtime.  Either way, can you please give the patch from Shaun a try?

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