From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <stable-owner@vger.kernel.org>
Received: from aserp1040.oracle.com ([141.146.126.69]:21568 "EHLO
	aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S932595AbcGOLyh (ORCPT
	<rfc822;stable@vger.kernel.org>); Fri, 15 Jul 2016 07:54:37 -0400
Subject: Re: Linux 4.1.28
To: Thomas Voegtle <tv@lio96.de>
References: <5786F7BC.9090406@oracle.com>
 <alpine.LSU.2.11.1607151332380.5792@er-systems.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
	stable <stable@vger.kernel.org>, lwn@lwn.net,
	lukasz.odzioba@intel.com
From: Sasha Levin <sasha.levin@oracle.com>
Message-ID: <5788CEF1.8010900@oracle.com>
Date: Fri, 15 Jul 2016 07:54:25 -0400
MIME-Version: 1.0
In-Reply-To: <alpine.LSU.2.11.1607151332380.5792@er-systems.de>
Content-Type: text/plain; charset=windows-1252
Content-Transfer-Encoding: 7bit
Sender: stable-owner@vger.kernel.org
List-ID: <stable.vger.kernel.org>

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@intel.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