linux-kernel - Re: Linux 4.1.28

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Date:	Fri, 15 Jul 2016 07:54:25 -0400
From:	Sasha Levin <sasha.levin@...cle.com>
To:	Thomas Voegtle <tv@...96.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	stable <stable@...r.kernel.org>, lwn@....net,
	lukasz.odzioba@...el.com
Subject: Re: Linux 4.1.28

On 07/15/2016 07:38 AM, Thomas Voegtle wrote:
> On Wed, 13 Jul 2016, Sasha Levin wrote:
> 
>> I'm announcing the release of the 4.1.28 kernel.
> 
> I have a serious memleak with 4.1.28 (like 20mb/s)
> I stripped down my kernel config and started a bisect, which came to:
> 
> # first bad commit: [c5ad33184354260be6d05de57e46a5498692f6d6] mm/swap.c:
> flush lru pvecs on compound page arrival
> =>
> commit c5ad33184354260be6d05de57e46a5498692f6d6
> Author: Lukasz Odzioba <lukasz.odzioba@...el.com>
> Date:   Fri Jun 24 14:50:01 2016 -0700
> 
>     mm/swap.c: flush lru pvecs on compound page arrival
> 
> 
> Reverting this on top 4.1.28 helps. Config attached.

Yup, this was reported and a fix is already queued for 4.1.29.


Thanks,
Sasha