Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752971AbbLQBjG (ORCPT ); Wed, 16 Dec 2015 20:39:06 -0500 Received: from mgwkm03.jp.fujitsu.com ([202.219.69.170]:55002 "EHLO mgwkm03.jp.fujitsu.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752351AbbLQBjE (ORCPT ); Wed, 16 Dec 2015 20:39:04 -0500 From: "Izumi, Taku" To: Xishi Qiu CC: "Luck, Tony" , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "akpm@linux-foundation.org" , "Kamezawa, Hiroyuki" , "mel@csn.ul.ie" , "Hansen, Dave" , "matt@codeblueprint.co.uk" Subject: RE: [PATCH v3 2/2] mm: Introduce kernelcore=mirror option Thread-Topic: [PATCH v3 2/2] mm: Introduce kernelcore=mirror option Thread-Index: AQHRMjAR2Z6g1ySguUa1IzGGIcYfOZ7BaBYAgAE2XICAADaQAIAAt+Yw//+bsYCAAh8zoP//reGAgAl6xbA= Date: Thu, 17 Dec 2015 01:38:55 +0000 Message-ID: References: <1449631109-14756-1-git-send-email-izumi.taku@jp.fujitsu.com> <1449631177-14863-1-git-send-email-izumi.taku@jp.fujitsu.com> <56679FDC.1080800@huawei.com> <3908561D78D1C84285E8C5FCA982C28F39F7F4CD@ORSMSX114.amr.corp.intel.com> <5668D1FA.4050108@huawei.com> <56691819.3040105@huawei.com> <566A9AE1.7020001@huawei.com> In-Reply-To: <566A9AE1.7020001@huawei.com> Accept-Language: ja-JP, en-US Content-Language: ja-JP X-MS-Has-Attach: X-MS-TNEF-Correlator: x-securitypolicycheck: OK by SHieldMailChecker v2.3.2 x-shieldmailcheckerpolicyversion: FJ-ISEC-20150624-1 x-shieldmailcheckermailid: 360653cfdb4a4ede97c110677f1818e5 x-originating-ip: [10.124.102.50] Content-Type: text/plain; charset="iso-2022-jp" MIME-Version: 1.0 X-SecurityPolicyCheck-GC: OK by FENCE-Mail X-TM-AS-MML: disable Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2067 Lines: 65 Dear Xishi, Sorry for late. > -----Original Message----- > From: Xishi Qiu [mailto:qiuxishi@huawei.com] > Sent: Friday, December 11, 2015 6:44 PM > To: Izumi, Taku/泉 拓 > Cc: Luck, Tony; linux-kernel@vger.kernel.org; linux-mm@kvack.org; akpm@linux-foundation.org; Kamezawa, Hiroyuki/亀澤 寛 > 之; mel@csn.ul.ie; Hansen, Dave; matt@codeblueprint.co.uk > Subject: Re: [PATCH v3 2/2] mm: Introduce kernelcore=mirror option > > On 2015/12/11 13:53, Izumi, Taku wrote: > > > Dear Xishi, > > > >> Hi Taku, > >> > >> Whether it is possible that we rewrite the fallback function in buddy system > >> when zone_movable and mirrored_kernelcore are both enabled? > > > > What does "when zone_movable and mirrored_kernelcore are both enabled?" mean ? > > > > My patchset just provides a new way to create ZONE_MOVABLE. > > > > Hi Taku, > > I mean when zone_movable is from kernelcore=mirror, not kernelcore=nn[KMG]. I'm not quite sure what you are saying, but if you want to screen user memory so that one is allocated from mirrored zone and another is from non-mirrored zone, I think it is possible to reuse my patchset. Sincerely, Taku Izumi > Thanks, > Xishi Qiu > > > Sincerely, > > Taku Izumi > >> > >> It seems something like that we add a new zone but the name is zone_movable, > >> not zone_mirror. And the prerequisite is that we won't enable these two > >> features(movable memory and mirrored memory) at the same time. Thus we can > >> reuse the code of movable zone. > >> > > > > -- > > 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/ > > > > . > > > > -- 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/