From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pb0-f53.google.com (mail-pb0-f53.google.com [209.85.160.53]) by kanga.kvack.org (Postfix) with ESMTP id 49C8F6B0031 for ; Wed, 11 Dec 2013 19:24:35 -0500 (EST) Received: by mail-pb0-f53.google.com with SMTP id ma3so10946912pbc.40 for ; Wed, 11 Dec 2013 16:24:34 -0800 (PST) Received: from mga11.intel.com (mga11.intel.com. [192.55.52.93]) by mx.google.com with ESMTP id ty3si14963381pbc.17.2013.12.11.16.24.33 for ; Wed, 11 Dec 2013 16:24:33 -0800 (PST) From: "Kirill A. Shutemov" In-Reply-To: <20131211163809.GA26342@redhat.com> References: <20131206210254.GA7962@redhat.com> <52A8877A.10209@suse.cz> <20131211163809.GA26342@redhat.com> Subject: Re: oops in pgtable_trans_huge_withdraw Content-Transfer-Encoding: 7bit Message-Id: <20131212002422.98262E0090@blue.fi.intel.com> Date: Thu, 12 Dec 2013 02:24:22 +0200 (EET) Sender: owner-linux-mm@kvack.org List-ID: To: Dave Jones , akpm@linux-foundation.org Cc: Vlastimil Babka , Linux Kernel , linux-mm@kvack.org, kirill.shutemov@linux.intel.com, Sasha Levin Dave Jones wrote: > On Wed, Dec 11, 2013 at 04:40:42PM +0100, Vlastimil Babka wrote: > > On 12/06/2013 10:02 PM, Dave Jones wrote: > > > I've spent a few days enhancing trinity's use of mmap's, trying to make it > > > reproduce https://lkml.org/lkml/2013/12/4/499 > > > > FYI, I managed to reproduce that using trinity today, > > trinity was from git at commit e8912cc which is from Dec 09 so I guess > > your enhancements were already there? > > yep, everything I had pending is in HEAD now. > > > kernel was linux-next-20131209 > > I was running trinity -c mmap -c munmap -c mremap -c remap_file_pages -c > > mlock -c munlock > > A shorthand for all those -c's is '-G vm'. (Though there might be a couple > extra syscalls in the list too, madvise, mprotect etc). > > > Now I'm running with Kirill's patch, will post results later. > > Seemed to fix it for me, I've not reproduced that particular bug since applying it. > Kirill, is that on its way to Linus soon ? It's in -mm tree for a week already. Andrew, could you push it to Linus? More people steps on the bug. -- Kirill A. Shutemov -- 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