Date: Sun, 3 Jun 2012 14:31:39 -0400
From: Dave Jones <davej@redhat.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Hugh Dickins <hughd@google.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
        Kyungmin Park <kyungmin.park@samsung.com>,
        Marek Szyprowski <m.szyprowski@samsung.com>,
        Mel Gorman <mgorman@suse.de>, Minchan Kim <minchan@kernel.org>,
        Rik van Riel <riel@redhat.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Cong Wang <amwang@redhat.com>,
        Markus Trippelsdorf <markus@trippelsdorf.de>,
        linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: WARNING: at mm/page-writeback.c:1990
 __set_page_dirty_nobuffers+0x13a/0x170()
Message-ID: <20120603183139.GA1061@redhat.com>
Mail-Followup-To: Dave Jones <davej@redhat.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Hugh Dickins <hughd@google.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
	Kyungmin Park <kyungmin.park@samsung.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Mel Gorman <mgorman@suse.de>, Minchan Kim <minchan@kernel.org>,
	Rik van Riel <riel@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Cong Wang <amwang@redhat.com>,
	Markus Trippelsdorf <markus@trippelsdorf.de>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
References: <20120531005739.GA4532@redhat.com>
 <20120601023107.GA19445@redhat.com>
 <alpine.LSU.2.00.1206010030050.8462@eggly.anvils>
 <20120601161205.GA1918@redhat.com>
 <20120601171606.GA3794@redhat.com>
 <alpine.LSU.2.00.1206011511560.12839@eggly.anvils>
 <CA+55aFy2-X92EqpiuyvkBp_2-UaYDUpaC2c3XT3gXMN1O+T7sw@mail.gmail.com>
 <alpine.LSU.2.00.1206012108430.11308@eggly.anvils>
 <20120603181548.GA306@redhat.com>
 <CA+55aFwZ5PsBLqM7K8vDQdbS3sf+vi3yeoWx6XKV=nF8k2r7DQ@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <CA+55aFwZ5PsBLqM7K8vDQdbS3sf+vi3yeoWx6XKV=nF8k2r7DQ@mail.gmail.com>
User-Agent: Mutt/1.5.21 (2010-09-15)
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 943
Lines: 23

On Sun, Jun 03, 2012 at 11:23:29AM -0700, Linus Torvalds wrote:
 > On Sun, Jun 3, 2012 at 11:15 AM, Dave Jones <davej@redhat.com> wrote:
 > >
 > > Things aren't happy with that patch at all.
 > 
 > Yeah, at this point I think we need to just revert the compaction changes.
 > 
 > Guys, what's the minimal set of commits to revert? That clearly buggy
 > "rescue_unmovable_pageblock()" function was introduced by commit
 > 5ceb9ce6fe94, but is that actually involved with the particular bug?
 > That commit seems to revert cleanly still, but is that sufficient or
 > does it even matter?

I'l rerun the test with that (and Hugh's last patch) backed out, and see
if that makes any difference.

	Dave

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/