linux-kernel - Re: [PATCH] block: kmemleak: Track the page allocations for struct request

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Message-ID: <55F70236.1030306@kernel.dk>
Date:	Mon, 14 Sep 2015 11:21:58 -0600
From:	Jens Axboe <axboe@...nel.dk>
To:	Catalin Marinas <catalin.marinas@....com>
Cc:	linux-kernel@...r.kernel.org,
	Christoph Hellwig <hch@...radead.org>,
	Bart Van Assche <bart.vanassche@...disk.com>
Subject: Re: [PATCH] block: kmemleak: Track the page allocations for struct
 request

On 09/14/2015 11:16 AM, Catalin Marinas wrote:
> The pages allocated for struct request contain pointers to other slab
> allocations (via ops->init_request). Since kmemleak does not track/scan
> page allocations, the slab objects will be reported as leaks (false
> positives). This patch adds kmemleak callbacks to allow tracking of such
> pages.
>
> Signed-off-by: Catalin Marinas <catalin.marinas@....com>
> Reported-by: Bart Van Assche <bart.vanassche@...disk.com>
> Tested-by: Bart Van Assche<bart.vanassche@...disk.com>
> Cc: Christoph Hellwig <hch@...radead.org>
> Cc: Jens Axboe <axboe@...nel.dk>
> ---
>
> Jens,
>
> I just realised that no-one has picked this patch up for -rc1. It was
> discussed here previously:
>
> http://lkml.kernel.org/r/20150803104309.GB4033@e104818-lin.cambridge.arm.com
>
> Since it touches the block layer, are you fine with merging it?

Yeah looks simple enough for me, not sure why it got missed. I'll add it 
for 4.4-rc1, thanks.

-- 
Jens Axboe

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