From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qe0-f43.google.com (mail-qe0-f43.google.com [209.85.128.43]) by kanga.kvack.org (Postfix) with ESMTP id C38E36B0031 for ; Tue, 14 Jan 2014 05:58:31 -0500 (EST) Received: by mail-qe0-f43.google.com with SMTP id nc12so1420015qeb.2 for ; Tue, 14 Jan 2014 02:58:31 -0800 (PST) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTP id g2si194913qaz.97.2014.01.14.02.58.30 for ; Tue, 14 Jan 2014 02:58:30 -0800 (PST) Message-ID: <52D5184B.6080406@redhat.com> Date: Tue, 14 Jan 2014 05:58:19 -0500 From: Prarit Bhargava MIME-Version: 1.0 Subject: Re: [PATCH] x86, acpi memory hotplug, add parameter to disable memory hotplug References: <1389650161-13292-1-git-send-email-prarit@redhat.com> <52D47999.5080905@redhat.com> <52D48EC4.5070400@jp.fujitsu.com> <1389663689.1792.268.camel@misato.fc.hp.com> <52D4A469.9090100@jp.fujitsu.com> In-Reply-To: <52D4A469.9090100@jp.fujitsu.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Yasuaki Ishimatsu Cc: Toshi Kani , KOSAKI Motohiro , LKML , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , the arch/x86 maintainers , Len Brown , "Rafael J. Wysocki" , Linn Crosetto , Pekka Enberg , Yinghai Lu , Andrew Morton , Tang Chen , Wen Congyang , Vivek Goyal , Dave Young , linux-acpi@vger.kernel.org, "linux-mm@kvack.org" On 01/13/2014 09:43 PM, Yasuaki Ishimatsu wrote: > (2014/01/14 10:41), Toshi Kani wrote: >> On Tue, 2014-01-14 at 10:11 +0900, Yasuaki Ishimatsu wrote: >> : >>>>> I think we need a knob manually enable mem-hotplug when specify memmap. But >>>>> it is another story. >>>>> >>>>> Acked-by: KOSAKI Motohiro >>>> >>>> As mentioned, self-NAK. I have seen a system that I needed to specify >>>> memmap=exactmap & had hotplug memory. I will only keep the acpi_no_memhotplug >>>> option in the next version of the patch. >>> >>> >>> Your following first patch is simply and makes sense. >>> >>> http://marc.info/?l=linux-acpi&m=138922019607796&w=2 >>> >> >> In this option, it also requires changing kexec-tools to specify the new >> option for kdump. It won't be simpler. > > Hmm. > I use memm= boot option and hotplug memory for memory hot-remove. > At least, the patch cannot be accepted. Thanks for the information Yasuaki. I will resubmit my first patch that only adds the kernel parameter. P. > > Thanks, > Yasuaki Ishimatsu > >> >> Thanks, >> -Toshi >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-acpi" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> > > -- 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