From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail6.bemta8.messagelabs.com (mail6.bemta8.messagelabs.com [216.82.243.55]) by kanga.kvack.org (Postfix) with ESMTP id 45A856B0083 for ; Sat, 21 May 2011 10:14:36 -0400 (EDT) Received: by wwi36 with SMTP id 36so4133021wwi.26 for ; Sat, 21 May 2011 07:14:31 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: <4DD5DC06.6010204@jp.fujitsu.com> <20110520140856.fdf4d1c8.kamezawa.hiroyu@jp.fujitsu.com> <20110520101120.GC11729@random.random> <20110520153346.GA1843@barrios-desktop> <20110520161934.GA2386@barrios-desktop> From: KOSAKI Motohiro Date: Sat, 21 May 2011 23:14:11 +0900 Message-ID: Subject: Re: Kernel falls apart under light memory pressure (i.e. linking vmlinux) Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Lutomirski Cc: Minchan Kim , Andrea Arcangeli , KAMEZAWA Hiroyuki , fengguang.wu@intel.com, andi@firstfloor.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, mgorman@suse.de, hannes@cmpxchg.org, riel@redhat.com > I did some tracing and the oops happens from the second call to > shrink_page_list after should_reclaim_stall returns true and it hits > the same pages in the same order that the earlier call just finished > calling SetPageActive on. Can you please share your tracing patch and raw tracing result log? Thanks. > I have *not* confirmed that the two calls > happened from the same call to shrink_inactive_list, but something's > certainly wrong in there. > > This is very easy to reproduce on my laptop. -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org