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=-7.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,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 12D7FC433DB for ; Mon, 1 Mar 2021 08:28:00 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 9D5CF64DD3 for ; Mon, 1 Mar 2021 08:27:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9D5CF64DD3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id F3E888D004D; Mon, 1 Mar 2021 03:27:58 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id EC8528D0019; Mon, 1 Mar 2021 03:27:58 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DB7A58D004D; Mon, 1 Mar 2021 03:27:58 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0075.hostedemail.com [216.40.44.75]) by kanga.kvack.org (Postfix) with ESMTP id C29628D0019 for ; Mon, 1 Mar 2021 03:27:58 -0500 (EST) Received: from smtpin14.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 8F3E96C2F for ; Mon, 1 Mar 2021 08:27:58 +0000 (UTC) X-FDA: 77870627436.14.239DE4B Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by imf09.hostedemail.com (Postfix) with ESMTP id 38BD860024A7 for ; Mon, 1 Mar 2021 08:27:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1614587277; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=H6BWB/6MTFHEZzLnhkBzHDsgptsKf2mTXGDz7ZBdy00=; b=gyj+3BMzEChXNtqdxYa4FdvZRw1TiL1VwXDmZymRu1YwO7UHtkE1QPmDqHHTen0H7z/EFx vapxUyy0pT07YzkKfAdYL5kMS1c2zdXOwfCNv0eUTGnipuFLty5CAkSFuTWXmdpImPR6iK gzPo1AH9UNZAAyOX5DPqgn+UE1S079I= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-403-IP8ITgmqM9SwDyKEzO1g6g-1; Mon, 01 Mar 2021 03:27:39 -0500 X-MC-Unique: IP8ITgmqM9SwDyKEzO1g6g-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8E108804038; Mon, 1 Mar 2021 08:27:37 +0000 (UTC) Received: from [10.36.114.87] (ovpn-114-87.ams2.redhat.com [10.36.114.87]) by smtp.corp.redhat.com (Postfix) with ESMTP id A98391F463; Mon, 1 Mar 2021 08:27:35 +0000 (UTC) Subject: Re: [PATCH v2 3/7] mm,memory_hotplug: Add kernel boot option to enable memmap_on_memory To: Oscar Salvador Cc: Andrew Morton , Michal Hocko , VlastimilBabkavbabka@suse.cz, pasha.tatashin@soleen.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Anshuman Khandual References: <20210209133854.17399-1-osalvador@suse.de> <20210209133854.17399-4-osalvador@suse.de> <02041ab3-dcbd-9056-5571-48b84f527e42@redhat.com> <20210226121440.GE3661@localhost.localdomain> From: David Hildenbrand Organization: Red Hat GmbH Message-ID: <0265788a-087a-567d-09a9-b90d48d71996@redhat.com> Date: Mon, 1 Mar 2021 09:27:34 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 In-Reply-To: <20210226121440.GE3661@localhost.localdomain> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 38BD860024A7 X-Stat-Signature: 31fepaghtah7wke4id73jun6nqgzanjs Received-SPF: none (redhat.com>: No applicable sender policy available) receiver=imf09; identity=mailfrom; envelope-from=""; helo=us-smtp-delivery-124.mimecast.com; client-ip=216.205.24.124 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1614587272-799209 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: >> module_param(memmap_on_memory, bool, 0444); >> >> moving the IS_ENABLED(CONFIG_ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE) into the >> runtime check. > > You mean moving this check into mhp_supports_memmap_on_memory() check > from patch#1 right? > > Makes sense. Yep. -- Thanks, David / dhildenb