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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH,USER_AGENT_MUTT autolearn=unavailable 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 E11F9C004C9 for ; Tue, 7 May 2019 17:02:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B4D8D2087F for ; Tue, 7 May 2019 17:02:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557248546; bh=+dH1dylfToIztT6tIsED1NzXkgisvmtolImG8/gDIeU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=tvsqOq9QJpQNSoXhwyB1lHB1b0WOV7bYto8MV12EHcK7QWpxtpiWiEHfAyUXq4g4Z PSQSgIC6xpVA4ipmHeyb6yI6qT6vRSx/Q+gKPbGUGKyfrdUo6t7xzgEhzmMtIGGWdN PN2FIYYXss8BYeaGOUgj7uWD/9g1HZEVQy/zdBi0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727330AbfEGRCW (ORCPT ); Tue, 7 May 2019 13:02:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:57944 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727179AbfEGRCK (ORCPT ); Tue, 7 May 2019 13:02:10 -0400 Received: from localhost (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3030A205C9; Tue, 7 May 2019 17:02:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557248529; bh=+dH1dylfToIztT6tIsED1NzXkgisvmtolImG8/gDIeU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=g67/5rAMyjMObT6TuHwzVVr5fhZH+BNj5IA+NG26oX7D7N4Az/RLsgF1Jc+jUk5c+ WAC9pINLyovaABMYNG69uAcI1Z1rL/PoxWrlPNd8yFEF2xS7eu0xqXW/90vGKpIwKR 2kZ9uGjgtwHlfzPHAQvgsHdgIpxzJRUuhzepGMCc= Date: Tue, 7 May 2019 13:02:08 -0400 From: Sasha Levin To: Linus Torvalds Cc: Alexander Duyck , LKML , stable , Mikhail Zaslonko , Gerald Schaefer , Michal Hocko , Michal Hocko , Mikhail Gavrilov , Dave Hansen , Alexander Duyck , Pasha Tatashin , Martin Schwidefsky , Heiko Carstens , Andrew Morton , Sasha Levin , linux-mm Subject: Re: [PATCH AUTOSEL 4.14 62/95] mm, memory_hotplug: initialize struct pages for the full memory section Message-ID: <20190507170208.GF1747@sasha-vm> References: <20190507053826.31622-1-sashal@kernel.org> <20190507053826.31622-62-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Tue, May 07, 2019 at 09:50:50AM -0700, Linus Torvalds wrote: >On Tue, May 7, 2019 at 9:31 AM Alexander Duyck > wrote: >> >> Wasn't this patch reverted in Linus's tree for causing a regression on >> some platforms? If so I'm not sure we should pull this in as a >> candidate for stable should we, or am I missing something? > >Good catch. It was reverted in commit 4aa9fc2a435a ("Revert "mm, >memory_hotplug: initialize struct pages for the full memory >section""). > >We ended up with efad4e475c31 ("mm, memory_hotplug: >is_mem_section_removable do not pass the end of a zone") instead (and >possibly others - this was just from looking for commit messages that >mentioned that reverted commit). I got it wrong then. I'll fix it up and get efad4e475c31 in instead. Thanks! -- Thanks, Sasha