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=-1.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 7FB1AC433E0 for ; Wed, 24 Jun 2020 19:17:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 562C52077D for ; Wed, 24 Jun 2020 19:17:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593026265; bh=vdx1BidY1dD3vPoX2CtkizwrX4XdX2UNUOVuHeSPf+c=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=y+XahPvqS2OPHZPNdlWfPIwEvOKEeiJ7bvusRJh+migDlfaz62INL98YPUfOAEvGx l2vlujqjLMAjnOCahEDpQy38YnVmvC65sYHltfa4yxtljvsgetcxH1gfDAd4Wuixy9 uESuF5r3XsTIePXDxFuWlcrvr/1GHbK0lkxG22Gw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406009AbgFXTRo (ORCPT ); Wed, 24 Jun 2020 15:17:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:59374 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404563AbgFXTRn (ORCPT ); Wed, 24 Jun 2020 15:17:43 -0400 Received: from X1 (nat-ab2241.sltdut.senawave.net [162.218.216.4]) (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 1877B20702; Wed, 24 Jun 2020 19:17:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593026263; bh=vdx1BidY1dD3vPoX2CtkizwrX4XdX2UNUOVuHeSPf+c=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=uegryQSVLpTE+yWXqjp8I3Fw36AoHqwHvv6FtfmOMozFhePJY1tHBR1SaOQvRKhcL 0yRjO+iDhRBRBYBncBvxQpyZFZX6+Xwg1biL7IqobBygQYEg5iHTZ15VAMhGeTenrZ F7Dog63Ek+kySLBULBo9SmHD3lJkfNqotql16CtI= Date: Wed, 24 Jun 2020 12:17:42 -0700 From: Andrew Morton To: nao.horiguchi@gmail.com Cc: linux-mm@kvack.org, mhocko@kernel.org, mike.kravetz@oracle.com, osalvador@suse.de, tony.luck@intel.com, david@redhat.com, aneesh.kumar@linux.vnet.ibm.com, zeil@yandex-team.ru, naoya.horiguchi@nec.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 00/15] HWPOISON: soft offline rework Message-Id: <20200624121742.711331a2a65633a0e16fd9e6@linux-foundation.org> In-Reply-To: <20200624150137.7052-1-nao.horiguchi@gmail.com> References: <20200624150137.7052-1-nao.horiguchi@gmail.com> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.32; 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 Wed, 24 Jun 2020 15:01:22 +0000 nao.horiguchi@gmail.com wrote: > I rebased soft-offline rework patchset [1][2] onto the latest mmotm. The > rebasing required some non-trivial changes to adjust, but mainly that was > straightforward. I confirmed that the reported problem doesn't reproduce on > compaction after soft offline. For more precise description of the problem > and the motivation of this patchset, please see [2]. > > I think that the following two patches in v2 are better to be done with > separate work of hard-offline rework, so it's not included in this series. > > - mm,hwpoison: Take pages off the buddy when hard-offlining > - mm/hwpoison-inject: Rip off duplicated checks > > These two are not directly related to the reported problem, so they seems > not urgent. And the first one breaks num_poisoned_pages counting in some > testcases, and The second patch needs more consideration about commented point. > It would be nice to have some sort of overview of the patch series in this [0/n] email. > [1] v1: https://lore.kernel.org/linux-mm/1541746035-13408-1-git-send-email-n-horiguchi@ah.jp.nec.com/ > [2] v2: https://lore.kernel.org/linux-mm/20191017142123.24245-1-osalvador@suse.de/ The above have such, but are they up to date?