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Wed, 23 Sep 2026 15:03:17 +0000 (GMT) Received: from osiris (unknown [9.111.16.152]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTPS; Wed, 23 Sep 2026 15:03:17 +0000 (GMT) Date: Wed, 23 Sep 2026 17:03:15 +0200 From: Heiko Carstens To: Mike Rapoport Cc: Tal Zussman , Andrew Morton , Baoquan He , Pasha Tatashin , Pratyush Yadav , Dave Young , linux-mm@kvack.org, linux-s390@vger.kernel.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Vasily Gorbik , Alexander Gordeev Subject: Re: [PATCH] vmcore: convert mmap_vmcore_fault() to use folios Message-ID: <20260923150315.9636E6a-hca@linux.ibm.com> References: <20260915-vmcore-fault-folio-v1-1-a0cb6278670f@columbia.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=G+OJgNk5 c=1 sm=1 tr=0 ts=6ab3ea3a cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=kj9zAlcOel0A:10 a=VdqzKS8jKosA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=V8glGbnc2Ofi9Qvn3v5h:22 a=VnNF1IyMAAAA:8 a=tmzvjasgP5eedGtlEQQA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTIzMDA1OCBTYWx0ZWRfX/qSUEZ3ICfbP 7iWCMIwXU5aJvSlo+TUNfSx/zcug0TQTOx7H1zGwf4+35SfwQDbGypwj+EfDXa4pjvxwrTHwywa aLMiZ7JeoxTII636kNUW8fw+7rL19TZEJiSnOOGrfENYkcyI/cPBlxDXnAtLX2Rw4ZZf2k1qH5+ Nii0arC9pVTp49hFkzP+rzL2Alm6JEZYQORsRHW2r/jdPMXwzMtrafxX9acwKjRe8Kisgi5gcfs DMD84THhbs/RpPrGeO+mYOFjQS4F+85CpurAM8dvfIu1SFqHiL7t8In/BWSkl40s74TEb9ZGgMl bGoEKzESMgf11BkvY8/CJUMQMnd85vJoGzVtEOKqPGJyUWHAdfiPtGyKBYmcV8HMBNi2UFoGjoY Q1qnt2CVX+ph5r7n1aE2/ArbJMhaCbQ9RPkN99SJ+E15r8o56d4ZImMCY5Lf86yJUel/07ZOBKm 32lc7ubpUXFyIkLCh+A== X-Proofpoint-ORIG-GUID: 4vjiCbd2QrgeY-ClIPHd8SPJDf4qfF44 X-Proofpoint-GUID: 4vjiCbd2QrgeY-ClIPHd8SPJDf4qfF44 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTIzMDA1OCBTYWx0ZWRfXzOYLA2lYxR2S pq1L4QWw/Hp6whvGa3TuUfsA494gdgXC6XF4Se6Ux5rEwrn+jSscBHwUT1a3BVjBeu+bApkvb5M DnE8RqZcdeWnaTvcqjmfo/TcDeKKetA= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-23_04,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 phishscore=0 lowpriorityscore=0 impostorscore=0 bulkscore=0 priorityscore=1501 clxscore=1011 spamscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609230058 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260923_160337_077104_56F8FBE0 X-CRM114-Status: GOOD ( 16.03 ) X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org On Wed, Sep 23, 2026 at 12:24:43PM +0300, Mike Rapoport wrote: > (cc s390 folks) > > On Tue, Sep 15, 2026 at 07:42:15PM -0400, Tal Zussman wrote: > > Use a folio for the page cache page the s390 fault handler reads the > > I tiny bit of context why is this only relevant for s390 would have been > nice :) It is the ifdef CONFIG_S390 just two lines above the context diff of the patch; but I was wondering the same and had to apply the patch and look at the result. :) In any case: Acked-by: Heiko Carstens