From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl1-f200.google.com (mail-pl1-f200.google.com [209.85.214.200]) by kanga.kvack.org (Postfix) with ESMTP id DB3698E0001 for ; Tue, 18 Dec 2018 16:46:48 -0500 (EST) Received: by mail-pl1-f200.google.com with SMTP id o23so12978175pll.0 for ; Tue, 18 Dec 2018 13:46:48 -0800 (PST) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id u184si14189493pgd.262.2018.12.18.13.46.47 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 18 Dec 2018 13:46:47 -0800 (PST) Date: Tue, 18 Dec 2018 13:46:44 -0800 From: Andrew Morton 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> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: 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 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 :(