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=-3.8 required=3.0 tests=BAYES_00, 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 29ADFC433E2 for ; Thu, 10 Sep 2020 20:07:54 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D6058221E2 for ; Thu, 10 Sep 2020 20:07:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D6058221E2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 3CF00900004; Thu, 10 Sep 2020 16:07:52 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 37F57900002; Thu, 10 Sep 2020 16:07:52 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 26E4A900004; Thu, 10 Sep 2020 16:07:52 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0194.hostedemail.com [216.40.44.194]) by kanga.kvack.org (Postfix) with ESMTP id 10BE2900002 for ; Thu, 10 Sep 2020 16:07:52 -0400 (EDT) Received: from smtpin15.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id C95763628 for ; Thu, 10 Sep 2020 20:07:51 +0000 (UTC) X-FDA: 77248237542.15.steel10_330f7c4270e8 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin15.hostedemail.com (Postfix) with ESMTP id 94C861814B0C1 for ; Thu, 10 Sep 2020 20:07:51 +0000 (UTC) X-HE-Tag: steel10_330f7c4270e8 X-Filterd-Recvd-Size: 1866 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by imf46.hostedemail.com (Postfix) with ESMTP for ; Thu, 10 Sep 2020 20:07:50 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 48C0DAC26; Thu, 10 Sep 2020 20:08:05 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Thu, 10 Sep 2020 22:07:48 +0200 From: osalvador@suse.de To: akpm@linux-foundation.org Cc: naoya.horiguchi@nec.com, mhocko@kernel.org, tony.luck@intel.com, cai@lca.pw, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v2 0/5] HWpoison: further fixes and cleanups In-Reply-To: <20200908075626.11976-1-osalvador@suse.de> References: <20200908075626.11976-1-osalvador@suse.de> User-Agent: Roundcube Webmail Message-ID: <861ca491140488d42d85ec7cef76ca0a@suse.de> X-Sender: osalvador@suse.de X-Rspamd-Queue-Id: 94C861814B0C1 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000032, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 2020-09-08 09:56, Oscar Salvador wrote: > The important bit of this patchset is patch#1, which is a fix to take > off > HWPoison pages off a buddy freelist since it can lead us to having > HWPoison > pages back in the game without no one noticing it. > So fix it (we did that already for soft_offline_page [1]). > > The other patches are clean-ups and not that important, so if anything, > consider patch#1 for inclusion. > > [1] https://patchwork.kernel.org/cover/11704083/ > > Thanks > > Oscar Salvador (5): > mm,hwpoison: Take free pages off the buddy freelists > mm,hwpoison: Refactor madvise_inject_error > mm,hwpoison: Drain pcplists before bailing out for non-buddy > zero-refcount page > mm,hwpoison: Drop unneeded pcplist draining > mm,hwpoison: Remove stale code Naoya, any insight? Thanks