From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7B08C43387 for ; Tue, 18 Dec 2018 21:46:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7E2AD218A4 for ; Tue, 18 Dec 2018 21:46:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727104AbeLRVqq (ORCPT ); Tue, 18 Dec 2018 16:46:46 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:36326 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726811AbeLRVqq (ORCPT ); Tue, 18 Dec 2018 16:46:46 -0500 Received: from akpm3.svl.corp.google.com (unknown [104.133.8.65]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id 326F5DB9; Tue, 18 Dec 2018 21:46:45 +0000 (UTC) Date: Tue, 18 Dec 2018 13:46:44 -0800 From: Andrew Morton To: Michal Hocko Cc: Oscar Salvador , vbabka@suse.cz, pavel.tatashin@microsoft.com, rppt@linux.vnet.ibm.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] mm, page_alloc: Fix has_unmovable_pages for HugePages Message-Id: <20181218134644.6770936603f7640f415918a7@linux-foundation.org> In-Reply-To: <20181218073655.GB30879@dhcp22.suse.cz> References: <20181217225113.17864-1-osalvador@suse.de> <20181217150726.6eea4942005516d565dae488@linux-foundation.org> <20181218073655.GB30879@dhcp22.suse.cz> X-Mailer: Sylpheed 3.6.0 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 18 Dec 2018 08:36:55 +0100 Michal Hocko wrote: > > > Signed-off-by: Oscar Salvador > > Acked-by: Michal Hocko Thanks. > > cc:stable? > > See http://lkml.kernel.org/r/20181217152936.GR30879@dhcp22.suse.cz. I > believe nobody is simply using gigantic pages and hotplug at the same > time and those pages do not seem to cross cma regions as well. At least > not since hugepage_migration_supported stops reporting giga pages as > migrateable. > > That being said, I do not think we really need it in stable but it > should be relatively easy to backport so no objection from me to put it > there. OK, done. Sasha would have grabbed it anyway :(