From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f170.google.com (mail-pd0-f170.google.com [209.85.192.170]) by kanga.kvack.org (Postfix) with ESMTP id C82706B0031 for ; Mon, 13 Jan 2014 21:44:51 -0500 (EST) Received: by mail-pd0-f170.google.com with SMTP id z10so2886505pdj.29 for ; Mon, 13 Jan 2014 18:44:51 -0800 (PST) Received: from fgwmail5.fujitsu.co.jp (fgwmail5.fujitsu.co.jp. [192.51.44.35]) by mx.google.com with ESMTPS id nu8si17407954pbb.342.2014.01.13.18.44.49 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Mon, 13 Jan 2014 18:44:50 -0800 (PST) Received: from m4.gw.fujitsu.co.jp (unknown [10.0.50.74]) by fgwmail5.fujitsu.co.jp (Postfix) with ESMTP id 492A43EE1D9 for ; Tue, 14 Jan 2014 11:44:48 +0900 (JST) Received: from smail (m4 [127.0.0.1]) by outgoing.m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 37CA345DE54 for ; Tue, 14 Jan 2014 11:44:48 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (s4.gw.nic.fujitsu.com [10.0.50.94]) by m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 1DDC845DE4E for ; Tue, 14 Jan 2014 11:44:48 +0900 (JST) Received: from s4.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id 0A8FD1DB8032 for ; Tue, 14 Jan 2014 11:44:48 +0900 (JST) Received: from g01jpfmpwkw01.exch.g01.fujitsu.local (g01jpfmpwkw01.exch.g01.fujitsu.local [10.0.193.38]) by s4.gw.fujitsu.co.jp (Postfix) with ESMTP id B445D1DB803E for ; Tue, 14 Jan 2014 11:44:47 +0900 (JST) Message-ID: <52D4A469.9090100@jp.fujitsu.com> Date: Tue, 14 Jan 2014 11:43:53 +0900 From: Yasuaki Ishimatsu 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> In-Reply-To: <1389663689.1792.268.camel@misato.fc.hp.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Toshi Kani , Prarit Bhargava Cc: 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" (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, 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