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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,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 A3911C388F9 for ; Tue, 27 Oct 2020 16:19:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 714C021655 for ; Tue, 27 Oct 2020 16:19:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1805441AbgJ0QAv (ORCPT ); Tue, 27 Oct 2020 12:00:51 -0400 Received: from mx2.suse.de ([195.135.220.15]:38570 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1801351AbgJ0Pkj (ORCPT ); Tue, 27 Oct 2020 11:40:39 -0400 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 E22CDAD8C; Tue, 27 Oct 2020 15:40:37 +0000 (UTC) Date: Tue, 27 Oct 2020 16:40:35 +0100 From: Oscar Salvador To: David Hildenbrand Cc: mhocko@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, vbabka@suse.cz, pasha.tatashin@soleen.com Subject: Re: [RFC PATCH 0/3] Allocate memmap from hotadded memory (per device) Message-ID: <20201027154031.GA11489@linux> References: <20201022125835.26396-1-osalvador@suse.de> <3c18e078-25df-3fd4-9988-1b7677d8e05f@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3c18e078-25df-3fd4-9988-1b7677d8e05f@redhat.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 22, 2020 at 03:01:44PM +0200, David Hildenbrand wrote: > > This does not go without saying that the patchset is not 100% complete. > > It is missing: > > > > - a way to disable memmap_on_memory (either sysfs or boot_time cmd) > > - atm, arch_add_memory for s390 screams if an altmap is passed. > > I am still thinking of a way to nicely drop handle that. > > Maybe a function in s390 that sets memmap_on_memory false and > > stuff that check in support_memmap_on_memory function. > > Or simply implement altmap support ... shouldn't be too hard :) Yeah, I guess so, but first I would like to have everything else settled. So, gentle ping :-) -- Oscar Salvador SUSE L3