From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754943Ab2K2OyR (ORCPT ); Thu, 29 Nov 2012 09:54:17 -0500 Received: from science.horizon.com ([71.41.210.146]:14975 "HELO science.horizon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753407Ab2K2OyQ (ORCPT ); Thu, 29 Nov 2012 09:54:16 -0500 Date: 29 Nov 2012 09:54:14 -0500 Message-ID: <20121129145414.9415.qmail@science.horizon.com> From: "George Spelvin" To: linux@horizon.com, mgorman@suse.de Subject: Re: 3.7-rc6 soft lockup in kswapd0 Cc: dave@linux.vnet.ibm.com, hannes@cmpxchg.org, jack@suse.cz, linux-kernel@vger.kernel.org, linux-mm@kvack.org, riel@redhat.com In-Reply-To: <20121128113920.GU8218@suse.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Mel Gorman wrote: > On Tue, Nov 27, 2012 at 04:25:14PM -0500, George Spelvin wrote: >> Well, it just made it to 24 hours, >> it did before. I'm going to wait a couple more days before declaring >> victory, but it looks good so far. >> >> 19:19:10 up 1 day, 0 min, 2 users, load average: 0.15, 0.20, 0.22 >> 21:24:05 up 1 day, 2:05, 2 users, load average: 0.25, 0.19, 0.18 > > Superb. The relevant patches *should* be in flight for 3.7 assuming they > make it through the confusion of last-minute fixes. 14:53:54 up 2 days, 19:35, 2 users, load average: 0.20, 0.24, 0.23 Almost three days, when it wouldn't live overnight before. As promised, I'm declaring victory. The patch that worked (on top of -rc7) was Johannes Weiner's "mm: vmscan: fix endless loop in kswapd balancing" that added the zone_balanced() function to mm/vmscan.c:2400. Thank you all very much!