Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753389AbaAWGeU (ORCPT ); Thu, 23 Jan 2014 01:34:20 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:2491 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751139AbaAWGeT (ORCPT ); Thu, 23 Jan 2014 01:34:19 -0500 X-IronPort-AV: E=Sophos;i="4.95,704,1384272000"; d="scan'208";a="9446733" Message-ID: <52E0B87C.6020704@cn.fujitsu.com> Date: Thu, 23 Jan 2014 14:36:44 +0800 From: Tang Chen User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1 MIME-Version: 1.0 To: Dave Jones , David Rientjes , tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, akpm@linux-foundation.org, zhangyanfei@cn.fujitsu.com, guz.fnst@cn.fujitsu.com, x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] numa, mem-hotplug: Fix stack overflow in numa when seting kernel nodes to unhotpluggable. References: <1390456168-28259-1-git-send-email-tangchen@cn.fujitsu.com> <20140123061343.GB15206@redhat.com> In-Reply-To: <20140123061343.GB15206@redhat.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2014/01/23 14:32:47, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2014/01/23 14:32:51, Serialize complete at 2014/01/23 14:32:51 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/23/2014 02:13 PM, Dave Jones wrote: > On Wed, Jan 22, 2014 at 10:06:14PM -0800, David Rientjes wrote: > > On Thu, 23 Jan 2014, Tang Chen wrote: > > ...... > > > > I guess it depends on what Dave's CONFIG_NODES_SHIFT is? > > It's 10, because I had MAXSMP set. > > So, MAX_NUMNODES = 1<< 10 > > And the bitmask is made of longs. 1024 of them. > > How does this work ? I have the same config with you. Would you please try it for me ? Does it work on your box ? I cannot reproduce this problem on the latest kernel. But I can reproduce it on 3.10. Thanks > > Dave > > -- > 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/ > -- 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/