From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pb0-f48.google.com (mail-pb0-f48.google.com [209.85.160.48]) by kanga.kvack.org (Postfix) with ESMTP id 9175C6B017F for ; Wed, 11 Jun 2014 18:22:35 -0400 (EDT) Received: by mail-pb0-f48.google.com with SMTP id rr13so270595pbb.7 for ; Wed, 11 Jun 2014 15:22:35 -0700 (PDT) Received: from mga02.intel.com (mga02.intel.com. [134.134.136.20]) by mx.google.com with ESMTP id wv10si39487732pbc.39.2014.06.11.15.22.34 for ; Wed, 11 Jun 2014 15:22:34 -0700 (PDT) Message-ID: <5398D691.7050202@intel.com> Date: Wed, 11 Jun 2014 15:22:09 -0700 From: Dave Hansen MIME-Version: 1.0 Subject: Re: [patch] mm, hotplug: probe interface is available on several platforms References: <53981D81.5060708@huawei.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: David Rientjes , Andrew Morton Cc: Zhang Zhen , Greg Kroah-Hartman , laijs@cn.fujitsu.com, sjenning@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Wang Nan On 06/11/2014 03:15 PM, David Rientjes wrote: > +CONFIG_ARCH_MEMORY_PROBE and can be configured on powerpc, sh, and x86 > +if hotplug is supported, although for x86 this should be handled by ACPI > +notification. Looks like a good change, in general. My only nit is that this implies that all hotplug on x86 is ACPI-based, which isn't true. Xen, at least, has an extension to its ballooning that does hotplugs without ACPI. -- 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