From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-bk0-f41.google.com (mail-bk0-f41.google.com [209.85.214.41]) by kanga.kvack.org (Postfix) with ESMTP id DFF626B0035 for ; Wed, 18 Dec 2013 10:46:57 -0500 (EST) Received: by mail-bk0-f41.google.com with SMTP id v15so269638bkz.28 for ; Wed, 18 Dec 2013 07:46:57 -0800 (PST) Received: from mail-lb0-x235.google.com (mail-lb0-x235.google.com [2a00:1450:4010:c04::235]) by mx.google.com with ESMTPS id xw1si332880bkb.102.2013.12.18.07.46.55 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 18 Dec 2013 07:46:56 -0800 (PST) Received: by mail-lb0-f181.google.com with SMTP id q8so2099813lbi.26 for ; Wed, 18 Dec 2013 07:46:55 -0800 (PST) Date: Wed, 18 Dec 2013 19:46:53 +0400 From: Cyrill Gorcunov Subject: Re: mm: kernel BUG at include/linux/swapops.h:131! Message-ID: <20131218154653.GX8167@moon> References: <52B1C143.8080301@oracle.com> <20131218154145.GW8167@moon> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20131218154145.GW8167@moon> Sender: owner-linux-mm@kvack.org List-ID: To: Sasha Levin Cc: Andrew Morton , "linux-mm@kvack.org" , khlebnikov@openvz.org, LKML 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. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org