From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from d03relay02.boulder.ibm.com (d03relay02.boulder.ibm.com [9.17.195.227]) by e38.co.us.ibm.com (8.13.1/8.13.1) with ESMTP id m9VHpRHQ011904 for ; Fri, 31 Oct 2008 11:51:27 -0600 Received: from d03av03.boulder.ibm.com (d03av03.boulder.ibm.com [9.17.195.169]) by d03relay02.boulder.ibm.com (8.13.8/8.13.8/NCO v9.1) with ESMTP id m9VHqBPK141916 for ; Fri, 31 Oct 2008 11:52:11 -0600 Received: from d03av03.boulder.ibm.com (loopback [127.0.0.1]) by d03av03.boulder.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id m9VHqBMm025300 for ; Fri, 31 Oct 2008 11:52:11 -0600 Date: Fri, 31 Oct 2008 10:52:03 -0700 From: Gary Hade 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 Sender: owner-linux-mm@kvack.org Return-Path: To: Ingo Molnar Cc: Gary Hade , linux-mm@kvack.org, Yasunori Goto , Mel Gorman , Chris McDermott , linux-kernel@vger.kernel.org, x86@kernel.org List-ID: 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, 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