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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 3B298CA9EB7 for ; Tue, 22 Oct 2019 08:26:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 129B62064A for ; Tue, 22 Oct 2019 08:26:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571732775; bh=/Mr/LThIEMJbWlYKkDd18Jd9JL0bjmo5Rvnnvx8XJQo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=fDb5Wx0JiGQFZWTaOL505KnN8b0y3cq/WqPAN3IJn2kAzBN3Q9x7qX45FZhn85UrQ dq8HhcmpR2fbT2tTSNsA0A7MAF1LV/5n1YlGsJP0zTW5naK0G4mo6ANhRctIT2nhM3 Qpwjhkj7waOvsIAo98mfPIXJotmW5KLhiBsGWg9g= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388386AbfJVI0O (ORCPT ); Tue, 22 Oct 2019 04:26:14 -0400 Received: from mx2.suse.de ([195.135.220.15]:38716 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2388155AbfJVI0M (ORCPT ); Tue, 22 Oct 2019 04:26:12 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id CB077AFF1; Tue, 22 Oct 2019 08:26:11 +0000 (UTC) Date: Tue, 22 Oct 2019 10:26:11 +0200 From: Michal Hocko To: Oscar Salvador Cc: n-horiguchi@ah.jp.nec.com, mike.kravetz@oracle.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH v2 10/16] mm,hwpoison: Rework soft offline for free pages Message-ID: <20191022082611.GD9379@dhcp22.suse.cz> References: <20191017142123.24245-1-osalvador@suse.de> <20191017142123.24245-11-osalvador@suse.de> <20191018120615.GM5017@dhcp22.suse.cz> <20191021125842.GA11330@linux> <20191021154158.GV9379@dhcp22.suse.cz> <20191022074615.GA19060@linux> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191022074615.GA19060@linux> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue 22-10-19 09:46:20, Oscar Salvador wrote: [...] > So, opposite to hard-offline, in soft-offline we do not fiddle with pages > unless we are sure the page is not reachable anymore by any means. I have to say I do not follow. Is there any _real_ reason for soft-offline to behave differenttly from MCE (hard-offline)? -- Michal Hocko SUSE Labs