From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Sasha Levin <sasha.levin@oracle.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
khlebnikov@openvz.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: mm: kernel BUG at include/linux/swapops.h:131!
Date: Wed, 18 Dec 2013 19:46:53 +0400 [thread overview]
Message-ID: <20131218154653.GX8167@moon> (raw)
In-Reply-To: <20131218154145.GW8167@moon>
On Wed, Dec 18, 2013 at 07:41:45PM +0400, Cyrill Gorcunov wrote:
> On Wed, Dec 18, 2013 at 10:37:39AM -0500, Sasha Levin wrote:
> > Hi all,
> >
> > While fuzzing with trinity inside a KVM tools guest running latest
> > -next kernel, I've stumbled on the following spew.
> >
> > The code is in zap_pte_range():
> >
> > if (!non_swap_entry(entry))
> > rss[MM_SWAPENTS]--;
> > else if (is_migration_entry(entry)) {
> > struct page *page;
> >
> > page = migration_entry_to_page(entry); <==== HERE
> >
> > if (PageAnon(page))
> > rss[MM_ANONPAGES]--;
> > else
> > rss[MM_FILEPAGES]--;
>
> This I think is my issue, I'll take a look, thanks Sasha!
Ah, no. I thought it somehow related to dirty tracking, but
it's not, different issue.
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next prev parent reply other threads:[~2013-12-18 15:46 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-18 15:37 mm: kernel BUG at include/linux/swapops.h:131! Sasha Levin
2013-12-18 15:41 ` Cyrill Gorcunov
2013-12-18 15:46 ` Cyrill Gorcunov [this message]
2013-12-23 17:24 ` Sasha Levin
2013-12-24 2:51 ` Joonsoo Kim
2013-12-24 3:01 ` Sasha Levin
2013-12-24 6:07 ` Joonsoo Kim
2013-12-24 7:45 ` Joonsoo Kim
2013-12-25 1:07 ` Wanpeng Li
2013-12-26 1:21 ` Bob Liu
2013-12-26 5:51 ` Konstantin Khlebnikov
2013-12-26 6:18 ` Konstantin Khlebnikov
2013-12-26 6:27 ` Wanpeng Li
2013-12-24 19:27 ` Sasha Levin
2014-01-02 6:36 ` Bob Liu
2014-01-04 2:57 ` Sasha Levin
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