linux-kernel - Re: "swap_free: Bad swap file entry" and "BUG: Bad page map in process" but no swap configured

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Message-ID: <57FD0CF8.2030208@windriver.com>
Date:   Tue, 11 Oct 2016 10:02:00 -0600
From:   Chris Friesen <chris.friesen@...driver.com>
To:     Hillf Danton <hillf.zj@...baba-inc.com>,
        "'lkml'" <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>
Subject: Re: "swap_free: Bad swap file entry" and "BUG: Bad page map in process"
 but no swap configured

On 10/08/2016 02:05 AM, Hillf Danton wrote:
> On Friday, October 07, 2016 5:01 AM Chris Friesen
>>
>> I have Linux host running as a kvm hypervisor.  It's running CentOS.  (So the
>> kernel is based on 3.10 but with loads of stuff backported by RedHat.)  I
>> realize this is not a mainline kernel, but I was wondering if anyone is aware of
>> similar issues that had been fixed in mainline.
>>
> Hey, dunno if you're looking for commit
> 	6dec97dc929 ("mm: move_ptes -- Set soft dirty bit depending on pte type")
> Hillf

CONFIG_MEM_SOFT_DIRTY doesn't exist in our kernel so I don't think this is the 
issue.  Thanks for the suggestion though.

Chris