From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 26 Sep 2007 10:48:54 +0900 From: KAMEZAWA Hiroyuki Subject: Re: 2.6.23-rc8-mm1 - powerpc memory hotplug link failure Message-Id: <20070926104854.7cc09d13.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <20070926103205.c72a8e8a.kamezawa.hiroyu@jp.fujitsu.com> References: <20070925014625.3cd5f896.akpm@linux-foundation.org> <46F968C2.7080900@linux.vnet.ibm.com> <20070926103205.c72a8e8a.kamezawa.hiroyu@jp.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: KAMEZAWA Hiroyuki Cc: Kamalesh Babulal , Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Andy Whitcroft , Balbir Singh , Badari Pulavarty List-ID: 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 -- 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