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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 12A40C433E0 for ; Fri, 3 Jul 2020 15:49:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EA2F320884 for ; Fri, 3 Jul 2020 15:49:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726336AbgGCPtG (ORCPT ); Fri, 3 Jul 2020 11:49:06 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:44968 "EHLO mx0b-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726035AbgGCPtG (ORCPT ); Fri, 3 Jul 2020 11:49:06 -0400 Received: from pps.filterd (m0098417.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 063FXnLq004740; Fri, 3 Jul 2020 11:49:03 -0400 Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 321ng24h09-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 03 Jul 2020 11:49:03 -0400 Received: from m0098417.ppops.net (m0098417.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 063FmlGB095920; Fri, 3 Jul 2020 11:49:03 -0400 Received: from ppma03ams.nl.ibm.com (62.31.33a9.ip4.static.sl-reverse.com [169.51.49.98]) by mx0a-001b2d01.pphosted.com with ESMTP id 321ng24gyh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 03 Jul 2020 11:49:02 -0400 Received: from pps.filterd (ppma03ams.nl.ibm.com [127.0.0.1]) by ppma03ams.nl.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 063Fjb7m005437; Fri, 3 Jul 2020 15:49:01 GMT Received: from b06cxnps4074.portsmouth.uk.ibm.com (d06relay11.portsmouth.uk.ibm.com [9.149.109.196]) by ppma03ams.nl.ibm.com with ESMTP id 3217b01u7y-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 03 Jul 2020 15:49:01 +0000 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 063Fmw6r40304668 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 3 Jul 2020 15:48:58 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8474D11C04A; Fri, 3 Jul 2020 15:48:58 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2C9F511C050; Fri, 3 Jul 2020 15:48:58 +0000 (GMT) Received: from osiris (unknown [9.171.46.77]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Fri, 3 Jul 2020 15:48:58 +0000 (GMT) Date: Fri, 3 Jul 2020 17:48:56 +0200 From: Heiko Carstens To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, linux-mm@kvack.org, Christian Borntraeger , Gerald Schaefer , Vasily Gorbik Subject: Re: [PATCH v1 0/9] s390: implement and optimize vmemmap_free() Message-ID: <20200703154856.GA5294@osiris> References: <20200703133917.39045-1-david@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200703133917.39045-1-david@redhat.com> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-07-03_10:2020-07-02,2020-07-03 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 cotscore=-2147483648 phishscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 malwarescore=0 mlxlogscore=517 bulkscore=0 mlxscore=0 adultscore=0 spamscore=0 suspectscore=5 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2007030106 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 03, 2020 at 03:39:08PM +0200, David Hildenbrand wrote: > This series is based on the latest s390/features branch [1]. It implements > vmemmap_free(), consolidating it with vmem_add_range(), and optimizes it by > - Freeing empty page tables (now also done for idendity mapping). > - Handling cases where the vmemmap of a section does not fill huge pages > completely. Nice! You implemented some things I "always wanted to do". Maybe I should just do nothing and wait until patches appear ;) Will take a look at the series next week. Thanks!