Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751947Ab3FSElo (ORCPT ); Wed, 19 Jun 2013 00:41:44 -0400 Received: from LGEMRELSE1Q.lge.com ([156.147.1.111]:56343 "EHLO LGEMRELSE1Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750884Ab3FSEln (ORCPT ); Wed, 19 Jun 2013 00:41:43 -0400 X-AuditID: 9c93016f-b7b6cae000007078-ce-51c136851ec7 Date: Wed, 19 Jun 2013 13:41:47 +0900 From: Minchan Kim To: Dhaval Giani Cc: John Stultz , LKML , Andrew Morton , Android Kernel Team , Robert Love , Mel Gorman , Hugh Dickins , Dave Hansen , Rik van Riel , Dmitry Adamushko , Dave Chinner , Neil Brown , Andrea Righi , Andrea Arcangeli , "Aneesh Kumar K.V" , Mike Hommey , Taras Glek , Jan Kara , KOSAKI Motohiro , Michel Lespinasse , "linux-mm@kvack.org" Subject: Re: [PATCH 0/8] Volatile Ranges (v8?) Message-ID: <20130619044147.GC10961@bbox> References: <1371010971-15647-1-git-send-email-john.stultz@linaro.org> <51BF3827.4060606@mozilla.com> <20130618041100.GA3116@bbox> <51C091D6.8010608@mozilla.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <51C091D6.8010608@mozilla.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1563 Lines: 49 Hello Dhaval, On Tue, Jun 18, 2013 at 12:59:02PM -0400, Dhaval Giani wrote: > On 2013-06-18 12:11 AM, Minchan Kim wrote: > >Hello Dhaval, > > > >On Mon, Jun 17, 2013 at 12:24:07PM -0400, Dhaval Giani wrote: > >>Hi John, > >> > >>I have been giving your git tree a whirl, and in order to simulate a > >>limited memory environment, I was using memory cgroups. > >> > >>The program I was using to test is attached here. It is your test > >>code, with some changes (changing the syscall interface, reducing > >>the memory pressure to be generated). > >> > >>I trapped it in a memory cgroup with 1MB memory.limit_in_bytes and hit this, > >> > >>[ 406.207612] ------------[ cut here ]------------ > >>[ 406.207621] kernel BUG at mm/vrange.c:523! > >>[ 406.207626] invalid opcode: 0000 [#1] SMP > >>[ 406.207631] Modules linked in: > >>[ 406.207637] CPU: 0 PID: 1579 Comm: volatile-test Not tainted > >Thanks for the testing! > >Does below patch fix your problem? > > Yes it does! Thank you very much for the patch. Thaks for the confirming. While I tested it, I found several problems so I just sent fixes as reply of each [7/8] and [8/8]. Could you test it? FYI: John, Dhaval I am working to clean purging mess up so maybe it would need not a few change for purging part. Thanks! -- Kind regards, Minchan Kim -- 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/