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 E554AC388F9 for ; Tue, 27 Oct 2020 15:40:41 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 45180223C6 for ; Tue, 27 Oct 2020 15:40:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 45180223C6 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 858966B007B; Tue, 27 Oct 2020 11:40:40 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7E22C6B007D; Tue, 27 Oct 2020 11:40:40 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6D1016B007E; Tue, 27 Oct 2020 11:40:40 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0106.hostedemail.com [216.40.44.106]) by kanga.kvack.org (Postfix) with ESMTP id 40B506B007B for ; Tue, 27 Oct 2020 11:40:40 -0400 (EDT) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id BDA88181AEF07 for ; Tue, 27 Oct 2020 15:40:39 +0000 (UTC) X-FDA: 77418117798.26.rifle26_170d1d32727d Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin26.hostedemail.com (Postfix) with ESMTP id 96CCC1804B654 for ; Tue, 27 Oct 2020 15:40:39 +0000 (UTC) X-HE-Tag: rifle26_170d1d32727d X-Filterd-Recvd-Size: 1760 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by imf14.hostedemail.com (Postfix) with ESMTP for ; Tue, 27 Oct 2020 15:40:39 +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 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) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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