From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752827AbbGNOJF (ORCPT ); Tue, 14 Jul 2015 10:09:05 -0400 Received: from mail-pa0-f47.google.com ([209.85.220.47]:35146 "EHLO mail-pa0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751595AbbGNOJE (ORCPT ); Tue, 14 Jul 2015 10:09:04 -0400 Date: Tue, 14 Jul 2015 07:08:57 -0700 From: Kent Overstreet To: Huang Ying Cc: Ming Lin , LKML , LKP ML Subject: Re: [lkp] [block] 86ecb9456ac: Message-ID: <20150714140857.GA19627@kmo-pixel> References: <1436880417.1264.16.camel@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1436880417.1264.16.camel@intel.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 14, 2015 at 09:26:57PM +0800, Huang Ying wrote: > FYI, we noticed the below changes on > > git://git.kernel.org/pub/scm/linux/kernel/git/mlin/linux.git block-generic-req > commit 86ecb9456ac74ba3996d05ca1b09a7756a31bfd7 ("block: make generic_make_request handle arbitrarily sized bios") > > We found the following new message in kernel log, do you increase vmalloc usage in your patch? not that I know of, use dump_stack() to get a backtrace when it happens