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Wed, 01 Jul 2020 14:52:40 +0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 061Eqbuk35520754 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 1 Jul 2020 14:52:37 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 89FC44C04A; Wed, 1 Jul 2020 14:52:37 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EB8B94C040; Wed, 1 Jul 2020 14:52:36 +0000 (GMT) Received: from thinkpad (unknown [9.171.4.64]) by d06av22.portsmouth.uk.ibm.com (Postfix) with SMTP; Wed, 1 Jul 2020 14:52:36 +0000 (GMT) Date: Wed, 1 Jul 2020 16:52:36 +0200 From: Gerald Schaefer To: Peter Xu Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrew Morton , John Hubbard , Michael Ellerman , Andrea Arcangeli , Linus Torvalds , Will Deacon , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , linux-s390@vger.kernel.org Subject: Re: [PATCH v4 18/26] mm/s390: Use general page fault accounting Message-ID: <20200701165236.633d82fa@thinkpad> In-Reply-To: <20200630204548.39342-1-peterx@redhat.com> References: <20200630204548.39342-1-peterx@redhat.com> X-Mailer: Claws Mail 3.17.5 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-07-01_08:2020-07-01,2020-07-01 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 adultscore=0 mlxlogscore=818 lowpriorityscore=0 cotscore=-2147483648 impostorscore=0 suspectscore=0 phishscore=0 mlxscore=0 clxscore=1011 malwarescore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2007010104 X-Rspamd-Queue-Id: 8020D180F8B9D X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 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 Tue, 30 Jun 2020 16:45:48 -0400 Peter Xu wrote: > Use the general page fault accounting by passing regs into handle_mm_fault(). > It naturally solve the issue of multiple page fault accounting when page fault > retry happened. > > CC: Heiko Carstens > CC: Vasily Gorbik > CC: Christian Borntraeger > CC: linux-s390@vger.kernel.org > Signed-off-by: Peter Xu > --- > arch/s390/mm/fault.c | 16 +--------------- > 1 file changed, 1 insertion(+), 15 deletions(-) Reviewed-by: Gerald Schaefer Acked-by: Gerald Schaefer