From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932915AbcI3Jta (ORCPT ); Fri, 30 Sep 2016 05:49:30 -0400 Received: from out0-148.mail.aliyun.com ([140.205.0.148]:52376 "EHLO out0-148.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932994AbcI3JtN (ORCPT ); Fri, 30 Sep 2016 05:49:13 -0400 X-Greylist: delayed 317 seconds by postgrey-1.27 at vger.kernel.org; Fri, 30 Sep 2016 05:49:12 EDT X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R691e4;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e02c03301;MF=hillf.zj@alibaba-inc.com;NM=1;PH=DS;RN=15;SR=0;TI=SMTPD_---.70GJ261_1475228606; Reply-To: "Hillf Danton" From: "Hillf Danton" To: "'Yisheng Xie'" , , Cc: , , , , , , , , , , , References: <1475227569-63446-1-git-send-email-xieyisheng1@huawei.com> <1475227569-63446-3-git-send-email-xieyisheng1@huawei.com> In-Reply-To: <1475227569-63446-3-git-send-email-xieyisheng1@huawei.com> Subject: Re: [PATCH v4 2/2] arm64 Kconfig: Select gigantic page Date: Fri, 30 Sep 2016 17:43:26 +0800 Message-ID: <00d101d21aff$188a86c0$499f9440$@alibaba-inc.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQKHcYynsXqtqUmSyzyPiVSO3QtmfAHefrImnxgmvFA= Content-Language: zh-cn Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Friday, September 30, 2016 5:26 PM Yisheng Xie wrote > > Arm64 supports gigantic page after > commit 084bd29810a5 ("ARM64: mm: HugeTLB support.") > however, it can only be allocated at boottime and can't be freed. > > This patch selects ARCH_HAS_GIGANTIC_PAGE to make gigantic pages > can be allocated and freed at runtime for arch arm64. > > Acked-by: Michal Hocko > Acked-by: Catalin Marinas > Signed-off-by: Yisheng Xie > --- Acked-by: Hillf Danton