Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752487AbYJaRwW (ORCPT ); Fri, 31 Oct 2008 13:52:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751474AbYJaRwO (ORCPT ); Fri, 31 Oct 2008 13:52:14 -0400 Received: from e31.co.us.ibm.com ([32.97.110.149]:49616 "EHLO e31.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751353AbYJaRwN (ORCPT ); Fri, 31 Oct 2008 13:52:13 -0400 Date: Fri, 31 Oct 2008 10:52:03 -0700 From: Gary Hade To: Ingo Molnar Cc: Gary Hade , linux-mm@kvack.org, Yasunori Goto , Mel Gorman , Chris McDermott , linux-kernel@vger.kernel.org, x86@kernel.org Subject: [PATCH] [RESEND] x86: add memory hotremove config option Message-ID: <20081031175203.GA7483@us.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.17+20080114 (2008-01-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1428 Lines: 43 I am resending this patch (originally posted by Badari Pulavarty) since the "mm: cleanup to make remove_memory() arch-neutral" patch on which it depends is now in Linus' 2.6.git tree (commit 71088785c6bc68fddb450063d57b1bd1c78e0ea1) and 2.6.28-rc2. Thanks, Gary --- Add memory hotremove config option to x86 Memory hotremove functionality can currently be configured into the ia64, powerpc, and s390 kernels. This patch makes it possible to configure the memory hotremove functionality into the x86 kernel as well. Signed-off-by: Badari Pulavarty Signed-off-by: Gary Hade --- arch/x86/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) Index: linux-2.6.28-rc2/arch/x86/Kconfig =================================================================== --- linux-2.6.28-rc2.orig/arch/x86/Kconfig 2008-10-31 10:34:14.000000000 -0700 +++ linux-2.6.28-rc2/arch/x86/Kconfig 2008-10-31 10:34:27.000000000 -0700 @@ -1486,6 +1486,10 @@ def_bool y depends on X86_64 || (X86_32 && HIGHMEM) +config ARCH_ENABLE_MEMORY_HOTREMOVE + def_bool y + depends on MEMORY_HOTPLUG + config HAVE_ARCH_EARLY_PFN_TO_NID def_bool X86_64 depends on NUMA -- 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/