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 4E21AC433FF for ; Wed, 31 Jul 2019 14:15:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 24C1E206B8 for ; Wed, 31 Jul 2019 14:15:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564582549; bh=ijc5WLdf1v13FrC8F9SXX7PftjW7BYIoAw3PMCgYPsk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=VXIfs+4geHCqhgiCPkZdA4NhN1SiFETOH1vhx4hh3mk/ybouMRr9ZBebLsnpBW4zw a36IiTY7CjPxkAm19mdxQCO0kTd1SAgVWoTSED+SojMrG22GD3YicJ4caf4yFil4zf MUYIaqQWqOX0ng21LlZVTV/g5AV3M8pTajlPP18I= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727088AbfGaOPr (ORCPT ); Wed, 31 Jul 2019 10:15:47 -0400 Received: from mx2.suse.de ([195.135.220.15]:50096 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726308AbfGaOPr (ORCPT ); Wed, 31 Jul 2019 10:15:47 -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 1B30EADA2; Wed, 31 Jul 2019 14:15:46 +0000 (UTC) Date: Wed, 31 Jul 2019 16:15:45 +0200 From: Michal Hocko To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Greg Kroah-Hartman , "Rafael J. Wysocki" , Andrew Morton , Pavel Tatashin , Dan Williams , Oscar Salvador Subject: Re: [PATCH v1] drivers/base/memory.c: Don't store end_section_nr in memory blocks Message-ID: <20190731141545.GV9330@dhcp22.suse.cz> References: <20190731122213.13392-1-david@redhat.com> <20190731124356.GL9330@dhcp22.suse.cz> <20190731132534.GQ9330@dhcp22.suse.cz> <58bd9479-051b-a13b-b6d0-c93aac2ed1b3@redhat.com> <92a8ba85-b913-177c-66a2-d86074e54700@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <92a8ba85-b913-177c-66a2-d86074e54700@redhat.com> 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 Wed 31-07-19 16:04:10, David Hildenbrand wrote: > On 31.07.19 15:42, David Hildenbrand wrote: [...] > > Powerpc userspace queries it: > > https://groups.google.com/forum/#!msg/powerpc-utils-devel/dKjZCqpTxus/AwkstV2ABwAJ > > FWIW, powerpc-utils also uses the "removable" property - which means > we're also stuck with that unfortunately. :( Yeah, I am aware of that and I strongly suspect this is actually in use because it is terribly unreliable for any non-idle system. There is simply no way to find out whether something is offlinable than to try it. -- Michal Hocko SUSE Labs