From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx126.postini.com [74.125.245.126]) by kanga.kvack.org (Postfix) with SMTP id 19BF76B0088 for ; Fri, 30 Nov 2012 15:55:54 -0500 (EST) Received: from /spool/local by e32.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 30 Nov 2012 13:55:53 -0700 Received: from d03relay04.boulder.ibm.com (d03relay04.boulder.ibm.com [9.17.195.106]) by d03dlp01.boulder.ibm.com (Postfix) with ESMTP id 1D2AAC40002 for ; Fri, 30 Nov 2012 13:55:46 -0700 (MST) Received: from d03av01.boulder.ibm.com (d03av01.boulder.ibm.com [9.17.195.167]) by d03relay04.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id qAUKtpDO347940 for ; Fri, 30 Nov 2012 13:55:51 -0700 Received: from d03av01.boulder.ibm.com (loopback [127.0.0.1]) by d03av01.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id qAUKtoSH002400 for ; Fri, 30 Nov 2012 13:55:50 -0700 Message-ID: <50B91D54.2080507@linux.vnet.ibm.com> Date: Fri, 30 Nov 2012 12:55:48 -0800 From: Dave Hansen MIME-Version: 1.0 Subject: Re: 32/64-bit NUMA consolidation behavior regresion References: <50B6A66E.8030406@linux.vnet.ibm.com> <20121130204237.GH3873@htj.dyndns.org> In-Reply-To: <20121130204237.GH3873@htj.dyndns.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Tejun Heo Cc: LKML , linux-mm@kvack.org, Cody P Schafer On 11/30/2012 12:42 PM, Tejun Heo wrote: > On Wed, Nov 28, 2012 at 04:03:58PM -0800, Dave Hansen wrote: >> My system is just qemu booted with: >> >> -smp 8 -m 8192 -numa node,nodeid=0,cpus=0-3 -numa node,nodeid=1,cpus=4-7 >> >> Watch the "PERCPU:" line early in boot, and you can see the "Embedded" >> come and go with or without your patch: >> >> [ 0.000000] PERCPU: Embedded 11 pages/cpu @f3000000 s30592 r0 d14464 >> vs >> [ 0.000000] PERCPU: 11 4K pages/cpu @f83fe000 s30592 r0 d14464 > ... >> I don't have a fix handy because I'm working on the original problem, >> but I just happened to run across this during a bisect. > > Just tested 3.7-rc7 w/ qemu and it works as expected here. > > Can you please boot with the following debug patch and report the boot > message before and after? Hi Tejun, I just tested with 3.7-rc7 and I'm seeing the expected behavior now. Looks like it got fixed along the way somewhere. I was bisecting way back in the 2.6.3x's. Sorry of the noise. -- 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