linux-kernel - Re: Linux 4.1.28

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Message-ID: <alpine.LSU.2.11.1607151332380.5792@er-systems.de>
Date:	Fri, 15 Jul 2016 13:38:25 +0200 (CEST)
From:	Thomas Voegtle <tv@...96.de>
To:	Sasha Levin <sasha.levin@...cle.com>
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 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.
View attachment "config" of type "text/plain" (69235 bytes)