On Tue, 19 Jul 2011 07:48:11 +0900 Minchan Kim <minchan....@gmail.com> wrote:
> Thanks for the test, Chris. > Andrew. > We should push this into -stable. That's commit d179e84ba5da1d0024087d1759a2938817a00f3f Author: Andrea Arcangeli <aarca...@redhat.com> AuthorDate: Wed Jun 15 15:08:51 2011 -0700 Commit: Linus Torvalds <torva...@linux-foundation.org> CommitDate: Wed Jun 15 20:04:02 2011 -0700 mm: vmscan: do not use page_count without a page pin > > On Fri, Jul 15, 2011 at 10:48 AM, Chris Pearson > <pearson.christophe...@gmail.com> wrote: > > That definately fixed it. __MTBF was about 20 days on those systems, since > > that patch we've had 200 server days with no problems. > > > > Thanks! > > > > On Tue, 12 Jul 2011, Minchan Kim wrote: > > > >>Date: Tue, 12 Jul 2011 09:16:09 +0900 > >>From: Minchan Kim <minchan....@gmail.com> > >>To: Chris Pearson <pearson.christophe...@gmail.com> > >>Cc: linux...@kvack.org, Andrea Arcangeli <aarca...@redhat.com>, > >> __ __Andrew Morton <a...@linux-foundation.org>, stable <sta...@kernel.org> > >>Subject: Re: NULL poniter dereference in isolate_lru_pages 2.6.39.1 > >> > >>On Tue, Jul 12, 2011 at 5:52 AM, Chris Pearson > >><pearson.christophe...@gmail.com> wrote: > >>> We applied the patch to many servers. __No problems so far. > >>> > >>> The .config is attached. > >> > >>Thanks. I verified. The point where isolate_lru_pages + 0x225 is > >>page_count exactly. So Andrea patch solves this problem apparently. > >>Couldn't we throw this patch to stable tree? > >> > >>https://patchwork.kernel.org/patch/857442/ > >> > >>> > >>> What's the config option to get that debugging info in the future? > >> > >>CONFIG_DEBUG_INFO helps you. :) > >> > >>-- > >>Kind regards, > >>Minchan Kim > >> > > > > > > -- > Kind regards, > Minchan Kim _______________________________________________ stable mailing list stable@linux.kernel.org http://linux.kernel.org/mailman/listinfo/stable