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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 X-Rspamd-Queue-Id: 0C2111AD1AD X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 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 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!