Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755714AbXIZIUX (ORCPT ); Wed, 26 Sep 2007 04:20:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752627AbXIZIUI (ORCPT ); Wed, 26 Sep 2007 04:20:08 -0400 Received: from E23SMTP03.au.ibm.com ([202.81.18.172]:45781 "EHLO e23smtp03.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751903AbXIZIUG (ORCPT ); Wed, 26 Sep 2007 04:20:06 -0400 Message-ID: <46FA1604.3040808@linux.vnet.ibm.com> Date: Wed, 26 Sep 2007 13:49:16 +0530 From: Kamalesh Babulal User-Agent: Thunderbird 1.5.0.13 (X11/20070824) MIME-Version: 1.0 To: KAMEZAWA Hiroyuki CC: Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andy Whitcroft , Balbir Singh , Badari Pulavarty Subject: Re: 2.6.23-rc8-mm1 - powerpc memory hotplug link failure References: <20070925014625.3cd5f896.akpm@linux-foundation.org> <46F968C2.7080900@linux.vnet.ibm.com> <20070926103205.c72a8e8a.kamezawa.hiroyu@jp.fujitsu.com> <20070926104854.7cc09d13.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20070926104854.7cc09d13.kamezawa.hiroyu@jp.fujitsu.com> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1817 Lines: 61 KAMEZAWA Hiroyuki wrote: > On Wed, 26 Sep 2007 10:32:05 +0900 > KAMEZAWA Hiroyuki wrote: >> Maybe my patch is the problem. could you give me your .config ? >> > Ah, memory hot remove is selectable even if the arch doesn't support it....sorry. > > ok, this is fix. > > Thanks, > -Kame > == > MEMORY_HOTREMOVE config option is selectable even it arch doesn't support it. > This fix it. > > Signed-off-by: KAMEZAWA Hiroyuki > > > Index: linux-2.6.23-rc8-mm1/arch/ia64/Kconfig > =================================================================== > --- linux-2.6.23-rc8-mm1.orig/arch/ia64/Kconfig > +++ linux-2.6.23-rc8-mm1/arch/ia64/Kconfig > @@ -305,6 +305,9 @@ config HOTPLUG_CPU > config ARCH_ENABLE_MEMORY_HOTPLUG > def_bool y > > +config ARCH_ENABLE_MEMORY_HOTREMOVE > + def_bool y > + > config SCHED_SMT > bool "SMT scheduler support" > depends on SMP > Index: linux-2.6.23-rc8-mm1/mm/Kconfig > =================================================================== > --- linux-2.6.23-rc8-mm1.orig/mm/Kconfig > +++ linux-2.6.23-rc8-mm1/mm/Kconfig > @@ -141,7 +141,7 @@ config MEMORY_HOTPLUG_SPARSE > > config MEMORY_HOTREMOVE > bool "Allow for memory hot remove" > - depends on MEMORY_HOTPLUG > + depends on MEMORY_HOTPLUG && ARCH_ENABLE_MEMORY_HOTREMOVE > depends on MIGRATION > > # Heavily threaded applications may benefit from splitting the mm-wide > > - Hi Kame, Thanks, your patch fixes the problem. -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL. - 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/